Homework Answers
If I is the current in the external resistor R and r is the internal resistance...
If I is the current in the external resistor R and r is the internal resistance of the cell, the equation for the whole circuit is: E = I(R + r) …….(i) For the same current in the external resistor R, the terminal voltage is given by: V = IR …….(ii) Use equations (i) and (ii) to solve for r by eliminating I and write this equation the form: y = mx + b...
If I is the current in the external resistor R and r is the internal resistance...
If I is the current in the external resistor R and r is the internal resistance of the cell, the equation for the whole circuit is: E = I(R + r) …….(i) For the same current in the external resistor R, the terminal voltage is given by: V = IR …….(ii) Use equations (i) and (ii) to solve for r by eliminating I and write this equation the form: y = mx + b Identify...
If I is the current in the external resistor R and r is the internal resistance...
If I is the current in the external resistor R and r is the internal resistance of the cell, the equation for the whole circuit is: E = I(R + r) …….(i) For the same current in the external resistor R, the terminal voltage is given by: V = IR …….(ii) Use equations (i) and (ii) to solve for r by eliminating I and write this equation the form: y = mx + b Identify...
Example 3. Based on the manufacturer's specifications a resistor has nominal stated value of 10 Ω...
Example 3. Based on the manufacturer's specifications a resistor has nominal stated value of 10 Ω 1 %. A voltage is applied to the resistor and the power dissipation is to be calculated using two different ways: (a) from P E/R and (b) from P EI. In (a) only a voltage measurement will be made while both current and voltage will be measured for (b) Calculate the uncertainty in the power determination in each case when the measured values of...
Where q1 and q2 is the amount of charge in Coulombs r is the distance in...
Where q1 and q2 is the amount of charge in Coulombs r is the distance in meters between the charges k is the Coulomb’s Law constant = 9×109 N•m2/C2 or 9,000,000,000 N•m2/C2 1. What is the force between two identical positive charges with a magnitude of 6 x 10-6 coulombs each and separated by 1m? (Related to chapter 23) Ohm's Law deals with the relationship between voltage (V) and current (I) and resistance (R). This relationship gives Ohm's Law. V...
Supposed we use an ideal resistor of resistance R and vary the voltage applied as the...
Supposed we use an ideal resistor of resistance R and vary the voltage applied as the independent variable and measure the current as the dependent variable. Voltage is graphed as the abscissa and current as the ordinate. What is the expected slope? Expected y-intercept?
Q1. You are given a 12 V DC power supply. You are expected to develop a voltage divider to achieve a voltage of no...
Q1. You are given a 12 V DC power supply. You are expected to develop a voltage divider to achieve a voltage of nominal 5V value using a pair of resistors from the E 12 range, with the restrition that you are not expected to draw a current of more than 1 mA from the 12 V DC supply i. Develop a simple circuit showing the possible values for each resistor pair, and the range of the DC output possible...
Calculate the current and voltage across each resistor and fill the following table. Please check my...
Calculate the current and voltage across each resistor
and fill the following table. Please check my answers.
=0.6 R₂ + R3 parallel ++++5 = 2.42 Ry=1.601 422 A R & R23 sen Ri=10 V=10 V R=30 DV=IR V=(1)(1.6) V = 1.6V © 10-115) P123=R1+R23= 42 Ry & RS series R45 = R4+ Rs = 42 R 123 + R45 parallel R12345= 4 + 1/4 = 22 R12345& R6 series: R123456 = 2+3=52 10 = 1 I = 2 AA (a)...
is applied to equalize the current values of Q1 and Q2. Answer the In the circuit...
is applied to equalize the current values of Q1 and Q2. Answer the In the circuit shown in Figure 1, resistor 50 following questions: Draw small-signal model of the amplifier (by r model). (3 marks) Based on the circuit drawn in part (2), derive an equation for the differential voltage gain and the value of this gain. (3 marks) Assume For all MOSFETS: K (W/L)=2 mA/V2 and Vi=1 V. For BJTS: V1=25 mV and a=1. +7V Kr} IKRE sor 2...
A metal rod of length l = 19 cm moves at constant speed v on rails of negligible resistance that terminate in a resistor R = 0.2
A metal rod of length l = 19 cm moves at constant speed v on rails of negligible resistance
that terminate in a resistor R = 0.2 ?, as shown in the figure above. A uniform and constant magnetic
field B = 1 T ia normal to the plane of the rails. The induced current is I =1 A and flows in the direction shown. Find :a) the speed v;m/sb) the external force needed to keep the rod moving at v.N to the right.
Example 3. Based on the manufacturer's specifications a resistor has nominal stated value of 10 Ω 1 %. A voltage is applied to the resistor and the power dissipation is to be calculated using two different ways: (a) from P E/R and (b) from P EI. In (a) only a voltage measurement will be made while both current and voltage will be measured for (b) Calculate the uncertainty in the power determination in each case when the measured values of...
Q1. You are given a 12 V DC power supply. You are expected to develop a voltage divider to achieve a voltage of nominal 5V value using a pair of resistors from the E 12 range, with the restrition that you are not expected to draw a current of more than 1 mA from the 12 V DC supply i. Develop a simple circuit showing the possible values for each resistor pair, and the range of the DC output possible...
Calculate the current and voltage across each resistor
and fill the following table. Please check my answers.
=0.6 R₂ + R3 parallel ++++5 = 2.42 Ry=1.601 422 A R & R23 sen Ri=10 V=10 V R=30 DV=IR V=(1)(1.6) V = 1.6V © 10-115) P123=R1+R23= 42 Ry & RS series R45 = R4+ Rs = 42 R 123 + R45 parallel R12345= 4 + 1/4 = 22 R12345& R6 series: R123456 = 2+3=52 10 = 1 I = 2 AA (a)...
is applied to equalize the current values of Q1 and Q2. Answer the In the circuit shown in Figure 1, resistor 50 following questions: Draw small-signal model of the amplifier (by r model). (3 marks) Based on the circuit drawn in part (2), derive an equation for the differential voltage gain and the value of this gain. (3 marks) Assume For all MOSFETS: K (W/L)=2 mA/V2 and Vi=1 V. For BJTS: V1=25 mV and a=1. +7V Kr} IKRE sor 2...
A metal rod of length l = 19 cm moves at constant speed v on rails of negligible resistance
that terminate in a resistor R = 0.2 ?, as shown in the figure above. A uniform and constant magnetic
field B = 1 T ia normal to the plane of the rails. The induced current is I =1 A and flows in the direction shown. Find :a) the speed v;m/sb) the external force needed to keep the rod moving at v.N to the right.
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