Homework Answers
when three identical resistors are connected in parallel then voltage drop across each resistor is same in parallel combination of resistors so V = (3I)(R/3) so current in each resistor increases to 3 I
current through R1 = 0 if R2 is replaced by plane wire as circuit is short and effective resistance is 0 so current does not flow through R1 if R2 is replaced by wire.
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Pre-Lecture Question 07 To answer this question, first click here to view th ssociated vice When...
Pre-Lecture Question 07 To answer this question, first click here to view the associated video When...
Pre-Lecture Question 07 To answer this question, first click here to view the associated video When a resistor is wired in a single loop with a battery, the current through the resistor is I. What is the current through the circuit if you wire three more identical resistors in parallel with the first one? 31 O It is the same (I) 41 Resistors Ri = 22 Ω and R2 47 Ω are wired in parallel with a battery of voltage...
When a resistor is wired in a single loop with a battery, the current through the...
When a resistor is wired in a single loop with a battery, the current through the resistor is I. What is the current through the circuit if you wire three more identical resistors in parallel with the first one? 41 31 O It is the same (1). Resistors R1 = 22 Ω and R2 47 Ω are wired in parallel with a battery of voltage V-12.0 v. R2 is now replaced by a wire. what is the current through R?...
When a resistor is wired in a single loop with a battery, the current through the...
When a resistor is wired in a single loop with a battery, the current through the resistor is I.What is the current through the circuit if you wire three more identical resistors in paraliel with the first one? 041 o (1/3)1 O It is the same (). O 31 Resistors R-22 and R47 ar wred in parallel with a battery of volkage V - 12.0 v. R is now replaced by a wire. What is the current through R O...
Pre-Lecture Question 11 To answer this question, first click here to view the associated viden A...
Pre-Lecture Question 11 To answer this question, first click here to view the associated viden A voltmeter has an internal resistance of 10 000 Ω and is used to measure the voltage across a 47.0-Ω resistor that, without the voltmeter connected, has a current of 1.20 A pass through it. How much current is drawn away from the circuit by the voltmeter when it is connected across the resistor? 5.6 mA 1.205 A 4.7 mA 0 A A circuit contains...
Pre-Lecture Question 04 To answer this question, first click here to view the associated vide A...
Pre-Lecture Question 04 To answer this question, first click here to view the associated vide A circuit is composed of a 12.0 V battery and a 110 Ω resistor. what is the power dissipated by the resistor? 1.3 w 0.11 W 0.11 A 1.3 A Suppose an unknown circuit draws 8.0 A of current when 110 V is applied across its inputs. What is the power dissipated by this circuit? Impossible to know 880 W 13.8 W 0.07 W
Pre-Lecture Question 12 To answer this question, first click here to view the associated video. You...
Pre-Lecture Question 12 To answer this question, first click here to view the associated video. You have two identical capacitors of capacitance C. Which of the following configurations gives you the smallest equivalent capacitance? The two capacitors wired in series. One capacitor alone. The two capacitors wired in parallel. For two identical capacitors of capacitance C in a circuit containing a battery of voltage V, which configuration of the capacitors stores the most charge? They are all the same. Series...
Pre-Lecture Question 05 To answer this question, first click here to view the associated video The...
Pre-Lecture Question 05 To answer this question, first click here to view the associated video The 110 V provided by common wall sockets in the United States is given as a root-mean-square (rms) voltage. What is the peak value of the vcltage? Vo = 78.0 V Vo = 110 v Vo 155 v Suppose the rms voltage is 110 V in a single-loop circuit that contains a resistor R-22 Ω, what is the average power dissipated by the resistor in...
Pre-Lecture Question 06 지 incorrect. With two resistors in the circuit, half the voltage is across...
Pre-Lecture Question 06 지 incorrect. With two resistors in the circuit, half the voltage is across each resistor. The entire voltage is across the single resistor when the second one is removed. The battery voltage remains unchanged. Use P VIK. To answer this question, first click here to view the associated video. Two identical resistors (R) are wired in series with a battery of voltage V. Suppose one of the resistors is removed from the circuit. How does the power...
*Answer to first part is 6.0 Volts 4*1.5V= 6 4 AA cells are connected in series....
*Answer to first part is 6.0 Volts
4*1.5V= 6
4 AA cells are connected in series. These make a true battery of 49 volts. This voltage is then connected to three resistors. R1-200 Ω R2-200 Ω R3-800 Ω R1 and R2 are wired in series with each other, and that series combination is wired in parallel with R3 Start by drawing a schematic diagram of the circuit, then proceed to the calculations. Give all answers to 2 sigfigs precision. The...
Pre-Lecture Question 01 To answer this question, first click here to view the associated video. A...
Pre-Lecture Question 01 To answer this question, first click here to view the associated video. A compass is placed in a magnetic field, and the compass needle is oriented as shown in the figure (up). What is the direction of the magnetic field at the location of the compass? Left O Right Up Down
Pre-Lecture Question 07 To answer this question, first click here to view the associated video When a resistor is wired in a single loop with a battery, the current through the resistor is I. What is the current through the circuit if you wire three more identical resistors in parallel with the first one? 31 O It is the same (I) 41 Resistors Ri = 22 Ω and R2 47 Ω are wired in parallel with a battery of voltage...
When a resistor is wired in a single loop with a battery, the current through the resistor is I. What is the current through the circuit if you wire three more identical resistors in parallel with the first one? 41 31 O It is the same (1). Resistors R1 = 22 Ω and R2 47 Ω are wired in parallel with a battery of voltage V-12.0 v. R2 is now replaced by a wire. what is the current through R?...
When a resistor is wired in a single loop with a battery, the current through the resistor is I.What is the current through the circuit if you wire three more identical resistors in paraliel with the first one? 041 o (1/3)1 O It is the same (). O 31 Resistors R-22 and R47 ar wred in parallel with a battery of volkage V - 12.0 v. R is now replaced by a wire. What is the current through R O...
Pre-Lecture Question 11 To answer this question, first click here to view the associated viden A voltmeter has an internal resistance of 10 000 Ω and is used to measure the voltage across a 47.0-Ω resistor that, without the voltmeter connected, has a current of 1.20 A pass through it. How much current is drawn away from the circuit by the voltmeter when it is connected across the resistor? 5.6 mA 1.205 A 4.7 mA 0 A A circuit contains...
Pre-Lecture Question 04 To answer this question, first click here to view the associated vide A circuit is composed of a 12.0 V battery and a 110 Ω resistor. what is the power dissipated by the resistor? 1.3 w 0.11 W 0.11 A 1.3 A Suppose an unknown circuit draws 8.0 A of current when 110 V is applied across its inputs. What is the power dissipated by this circuit? Impossible to know 880 W 13.8 W 0.07 W
Pre-Lecture Question 12 To answer this question, first click here to view the associated video. You have two identical capacitors of capacitance C. Which of the following configurations gives you the smallest equivalent capacitance? The two capacitors wired in series. One capacitor alone. The two capacitors wired in parallel. For two identical capacitors of capacitance C in a circuit containing a battery of voltage V, which configuration of the capacitors stores the most charge? They are all the same. Series...
Pre-Lecture Question 05 To answer this question, first click here to view the associated video The 110 V provided by common wall sockets in the United States is given as a root-mean-square (rms) voltage. What is the peak value of the vcltage? Vo = 78.0 V Vo = 110 v Vo 155 v Suppose the rms voltage is 110 V in a single-loop circuit that contains a resistor R-22 Ω, what is the average power dissipated by the resistor in...
Pre-Lecture Question 06 지 incorrect. With two resistors in the circuit, half the voltage is across each resistor. The entire voltage is across the single resistor when the second one is removed. The battery voltage remains unchanged. Use P VIK. To answer this question, first click here to view the associated video. Two identical resistors (R) are wired in series with a battery of voltage V. Suppose one of the resistors is removed from the circuit. How does the power...
*Answer to first part is 6.0 Volts
4*1.5V= 6
4 AA cells are connected in series. These make a true battery of 49 volts. This voltage is then connected to three resistors. R1-200 Ω R2-200 Ω R3-800 Ω R1 and R2 are wired in series with each other, and that series combination is wired in parallel with R3 Start by drawing a schematic diagram of the circuit, then proceed to the calculations. Give all answers to 2 sigfigs precision. The...
Pre-Lecture Question 01 To answer this question, first click here to view the associated video. A compass is placed in a magnetic field, and the compass needle is oriented as shown in the figure (up). What is the direction of the magnetic field at the location of the compass? Left O Right Up Down
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