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QUESTION 1 [TOTAL 10 Marks) (a) A coil of 20 resistance is joined in parallel with...
QUESTION 2 [20 marks] (i) [10 marks] A 120-V dc generator energizes a motor whose coil...
QUESTION 2 [20 marks] (i) [10 marks] A 120-V dc generator energizes a motor whose coil has an inductance of 50 H in series with a resistance of 100 2. A field discharge resistor of 400 2 is connected in parallel with the motor to avoid damage to the motor, as shown in Figure 3. Find the current through the discharge resistor 100 ms after the breaker is tripped. (The circuit breaker has been in the closed position for a...
ELT 103 Final Exam Spring 2019 1. A series-parallel circuit is: a. typically combination of series banks and parallel strings c always a combination of series banks in parallel e. always a combinatio...
ELT 103 Final Exam Spring 2019 1. A series-parallel circuit is: a. typically combination of series banks and parallel strings c always a combination of series banks in parallel e. always a combination of parallel banks in series. d. usually a combination of series strings and parallel banks. 2. When analyzing resistance in a series-parallel circuit, you start: a. anywhere in the circuit. / b. at the source. c. at the farthest resistor from the source. d. in any parallel...
a.When two resistors RA and RB are combined in series and connected to a battery it...
a.When two resistors RA and RB are combined in series and connected to a battery it is observed that the ratio of the power dissipated in RA to that dissipated in RB is equal to 10. If this arrangement is dismantled and the same two resistors connected in parallel to the same battery, what is the ratio of the power dissipated in RA to that dissipated in RB in this new circuit? b.How much energy is converted by a 12...
1)A battery having an e.m.f. of 105 V and an internal resistance of 1 Ω is...
1)A battery having an e.m.f. of 105 V and an internal resistance of 1 Ω is connected in parallel with a d.c. generator of e.m.f. 110 V and internal resistance of 0.5 Ω to supply a load having a resistance of 8 Ω. Calculate: (a) the currents in the battery, the generator and the load; (b) the potential difference across the load. 1)b.Two batteries are connected in parallel. The e.m.f. and internal resistance of one battery are 120 V and...
1 and 2 please SCHON 21.1 and read about combinations of resistors in series and parallel....
1 and 2 please
SCHON 21.1 and read about combinations of resistors in series and parallel. Pay attention to figure 21.2. look how resistors are connected, are any junctions in between them? Equations 21.5 and 21.20 are main take aways. • Warm-Up 1. A 6.082 and a 12.00 resistor are connected in series. Make a sketch below. What is the overall equivalent resistance of this combination? 2 A 609) and a 12.002 resistor are now connected in parallel Make a...
Please help me to answer this question. TQ A coil having a resistance of 20Ω in...
Please help me to answer this question. TQ A coil having a resistance of 20Ω in series with an inductance of 0.0382H, is connected in parallel with a circuit consisting of a 150μF capacitor in series with a 10 Ω resistor. The arrangement is connected to a 240V, 50 Hz supply. Determine: The current in each branch. The total supply current. Draw the phasor diagram Calculate the apparent power, real power and reactive power of the circuit. Calculate the power...
Pre-lab EM-5 Ohm's Law and Kirchhoff's Rules Ohm's Law The resistance R of a device can...
Pre-lab EM-5 Ohm's Law and Kirchhoff's Rules Ohm's Law The resistance R of a device can be determined by either directly measuring the resistance using an ohmmeter, or by measuring the current I through it and the voltage Vacross it, and then calculating R using Ohm's Law V R= (1) If the voltage across a resistor is 10V, and the current passing through it is 2.5 mA. of the resistor? What is the resistance R= Ω. Kirchhoffs Loop Rule Around...
Learning Goal: To learn to calculate the equivalent resistance of the circuits combining series and parallel...
Learning Goal:
To learn to calculate the equivalent resistance of the circuits
combining series and parallel connections.
Resistors are often connected to each other in electric
circuits. Finding the equivalent resistanceof
combinations of resistors is a common and important task.
Equivalent resistance is defined as the single resistance that can
replace the given combination of resistors in such a manner that
the currents in the rest of the circuit do not change.
Finding the equivalent resistance is relatively straighforward if...
A 10 1 resistor is connected in parallel to another resistor R. The equivalent resistance of...
A 10 1 resistor is connected in parallel to another resistor R. The equivalent resistance of the pair is 8 12. What is the resistance R? Consider this circuit. If one of the resistors is removed, what happens to the R w w R voltage across the remaining resistor?
1) The armature of an ac generator is a rectangular coil 2.00 cm by 6.00 cm...
1) The armature of an ac generator is a rectangular coil 2.00 cm by 6.00 cm with 80 turns. It is immersed in a uniform magnetic field of magnitude 0.250 T. If the amplitude of the emf in the coil is 22.0 V, at what angular speed is the armature rotating? _______rad/s 2) The magnetic field between the poles of an electromagnet is 3.30 T. A coil of wire is placed in this region so that the field is parallel...
QUESTION 2 [20 marks] (i) [10 marks] A 120-V dc generator energizes a motor whose coil has an inductance of 50 H in series with a resistance of 100 2. A field discharge resistor of 400 2 is connected in parallel with the motor to avoid damage to the motor, as shown in Figure 3. Find the current through the discharge resistor 100 ms after the breaker is tripped. (The circuit breaker has been in the closed position for a...
ELT 103 Final Exam Spring 2019 1. A series-parallel circuit is: a. typically combination of series banks and parallel strings c always a combination of series banks in parallel e. always a combination of parallel banks in series. d. usually a combination of series strings and parallel banks. 2. When analyzing resistance in a series-parallel circuit, you start: a. anywhere in the circuit. / b. at the source. c. at the farthest resistor from the source. d. in any parallel...
1 and 2 please
SCHON 21.1 and read about combinations of resistors in series and parallel. Pay attention to figure 21.2. look how resistors are connected, are any junctions in between them? Equations 21.5 and 21.20 are main take aways. • Warm-Up 1. A 6.082 and a 12.00 resistor are connected in series. Make a sketch below. What is the overall equivalent resistance of this combination? 2 A 609) and a 12.002 resistor are now connected in parallel Make a...
Pre-lab EM-5 Ohm's Law and Kirchhoff's Rules Ohm's Law The resistance R of a device can be determined by either directly measuring the resistance using an ohmmeter, or by measuring the current I through it and the voltage Vacross it, and then calculating R using Ohm's Law V R= (1) If the voltage across a resistor is 10V, and the current passing through it is 2.5 mA. of the resistor? What is the resistance R= Ω. Kirchhoffs Loop Rule Around...
Learning Goal:
To learn to calculate the equivalent resistance of the circuits
combining series and parallel connections.
Resistors are often connected to each other in electric
circuits. Finding the equivalent resistanceof
combinations of resistors is a common and important task.
Equivalent resistance is defined as the single resistance that can
replace the given combination of resistors in such a manner that
the currents in the rest of the circuit do not change.
Finding the equivalent resistance is relatively straighforward if...
A 10 1 resistor is connected in parallel to another resistor R. The equivalent resistance of the pair is 8 12. What is the resistance R? Consider this circuit. If one of the resistors is removed, what happens to the R w w R voltage across the remaining resistor?
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