The Impulse Function in Circuit Analysis MCQ’s

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This set of Network Theory Multiple Choice Questions & Answers (MCQs) focuses on “The Impulse Function in Circuit Analysis”.

1. The charge on capacitor C2 in the circuit shown below is?

network-theory-questions-answers-impulse-function-q1

a) 0
b) 1
c) 2
d) 3

2. The current in the circuit shown below is?

network-theory-questions-answers-impulse-function-q1

a) (V/R)/(s+1/Ce)
b) (V/R)/(s+1/RCe)
c) (V/R)/(s-1/RCe)
d) (V/R)/(s-1/Ce)

3. For the circuit shown below, find the voltage across the capacitor C1 at the time the switch is closed.

network-theory-questions-answers-impulse-function-q1

a) 0
b) V/4
c) V/2
d) V

4. By taking the inverse transform of the current (V/R)/(s+1/RCe), the value of the current is?

network-theory-questions-answers-impulse-function-q1

a) V/R et/Ce
b) V/R et/RCe
c) V/R e-t/RCe
d) V/R e-t/Ce

5. The value of the voltage V in the circuit shown below is?

network-theory-questions-answers-impulse-function-q5

a) 40(s+7.5)/s(s+5) – 12(s+7.5)/(s-5)
b) 40(s+7.5)/s(s+5) – 12(s+7.5)/(s+5)
c) 40(s+7.5)/s(s+5) + 12(s+7.5)/(s-5)
d) 40(s+7.5)/s(s+5) + 12(s+7.5)/(s+5)

6. Determine the voltage V after taking the inverse transform (12 + 60/s + 10/(s+5)).

network-theory-questions-answers-impulse-function-q5

a) 12δ(t)-(60-10e-5t)u(t)
b) 12δ(t)+(60+10e-5t)u(t)
c) 12δ(t)-(60+10e-5t)u(t)
d) 12δ(t)+(60-10e-5t)u(t)

7. Consider the circuit shown below. On applying the Kirchhoff’s current law, the equation will be?

network-theory-questions-answers-impulse-function-q5

a) V/(2s-15)+(V-[(100/s)+30])/(3s+10)=0
b) V/(2s-15)+(V-[(100/s)+30])/(3s-10)=0
c) V/(2s+15)+(V-[(100/s)+30])/(3s+10)=0
d) V/(2s+15)+(V-[(100/s)+30])/(3s-10)=0

8. The value of the voltage V after taking the partial fractions in the equation V/(2s+15)+(V-[(100/s)+30])/(3s+10)=0 is?

network-theory-questions-answers-impulse-function-q5

a) 12 + 60/s + 10/(s+5)
b) 12 – 60/s + 10/(s+5)
c) 12 – 60/s – 10/(s+5)
d) 12 + 60/s – 10/(s+5)

9. The current equation for the circuit shown below is?

network-theory-questions-answers-impulse-function-q5

a) I=4/s-2/(s-5)
b) I=4/s-2/(s+5)
c) I=4/s+2/(s+5)
d) I=4/s+2/(s-5)

10. The value of the current after taking the inverse transform of the current is?

network-theory-questions-answers-impulse-function-q5

a) (4-2e5t)u(t)
b) (4-2e-5t)u(t)
c) (4+2e5t)u(t)
d) (4-2e-5t)u(t)

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