Basic Electrical Engineering Mock Test 3

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Question 1 of 10

1. If an 8/9ohm, 4/3ohm and 2/3ohm resistor is connected in star, find its delta equivalent.

1ohm, 3ohm, 2ohm

4ohm, 1ohm, 2ohm

4ohm, 3ohm, 2ohm

4ohm, 3ohm, 1ohm

Question 1 of 10

Question 2 of 10

2. Calculate the voltage across the 6F capacitor.

40V

220V

60V

120V

Question 2 of 10

Question 3 of 10

3. Two capacitors having capacitance value 4F, three capacitors having capacitance value 2F and 5 capacitors having capacitance value 1F are connected in parallel, calculate the equivalent capacitance.

17F

20F

18F

19F

Question 3 of 10

Question 4 of 10

4. What is the equivalent capacitance?

2.75F

2.45F

1.5F

0.667F

Question 4 of 10

Question 5 of 10

5. For high frequencies, capacitor acts as _________

Amplifier

Open circuit

Rectifier

Short circuit

Question 5 of 10

Question 6 of 10

6. The maximum power drawn from source depends on __________

Both source and load resistance

Neither source or load resistance

Value of load resistance

Value of source resistance

Question 6 of 10

Question 7 of 10

7. Calculate the voltage across AB if the total charge stored in the combination is 13C.

Question 7 of 10

Question 8 of 10

8. Capacitors charge and discharge in __________ manner.

Constant

Exponential

Square

Linear

Question 8 of 10

Question 9 of 10

9. Which of the following is a passive device?

Vaccuum Tubes

Transistor

Rectifier

Capacitor

Question 9 of 10

Question 10 of 10

10. What is the relation between current and voltage in a capacitor?

I=Ct

I=1/CdV/dt

I=1/C*integral(Vdt)

I=CdV/dt

Question 10 of 10