Govt Exams Mock Test FREE | Online Quiz Competition

Q1. Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA?

10 kV

4 kV

6 kV

5 kV

Q2. The threshold voltage of an N-channel enhancement mode MOSFET is 0.5 V. When the device is biased at a gate voltage of 3 V. pinch-off would occur at a drain voltage of

2.5 V

1.5 V

3.5 V

4.5 V

Q3. In a single phase full wave regulator, the firing angles in the positive and negative half cycles are generally

Equal

Different

Equal or different

Different but sometimes equal

Q4. After triggering an SCR, the gate pulse is removed, the current in the SCR will

remain the same

immediately fall to zero

rise up

rise a little and fall to zero.

Q5. Which of the following is a current controlled device with bidirectional curent capability?

MOSFET

TRIAC

BJT

SCR

Q6. MOSFET can be used as a

current controlled capacitor

voltage controlled capacitor

current controlled inductor

voltage controlled inductors

Q7. A single phase current source inverter (CSI) has a capacitor 'C' as the load. For the constant source current , the voltage across the capacitor is ______.

square wave

pulsed wave

step function

triangular wave

Q8. Which of the following will happen if a voltmeter is connected like an ammeter in series to the load ?

There will be almost no current in the circuit

The meter will burn.

The measurement will be too high.

A very high current will flow.

Q9. A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power?

32.56 W

28.12 W

25.45 W

None of these

Q10. A thermistor is inherently suitable for temperature measurement involving

high span and low sensitivity

low span and high sensitivity

high span and high sensitivity

low span and low sensitivity

Quiz

Year 2025

January
Week # 4 Quiz 2

Q1. Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA?

Q2. The threshold voltage of an N-channel enhancement mode MOSFET is 0.5 V. When the device is biased at a gate voltage of 3 V. pinch-off would occur at a drain voltage of

Q3. In a single phase full wave regulator, the firing angles in the positive and negative half cycles are generally

Q4. After triggering an SCR, the gate pulse is removed, the current in the SCR will

Q5. Which of the following is a current controlled device with bidirectional curent capability?

Q6. MOSFET can be used as a

Q7. A single phase current source inverter (CSI) has a capacitor 'C' as the load. For the constant source current , the voltage across the capacitor is ______.

Q8. Which of the following will happen if a voltmeter is connected like an ammeter in series to the load ?

Q9. A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power?

Q10. A thermistor is inherently suitable for temperature measurement involving

Quiz

Year 2025

January Week # 2 Expire on 07 Feb 2025

January Week # 3 Expire on 14 Feb 2025

January Week # 4 Expire on 21 Feb 2025

February Week # 1 Expire on 28 Feb 2025

January Week # 4 Quiz 2

Q1. Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA?

Q2. The threshold voltage of an N-channel enhancement mode MOSFET is 0.5 V. When the device is biased at a gate voltage of 3 V. pinch-off would occur at a drain voltage of

Q3. In a single phase full wave regulator, the firing angles in the positive and negative half cycles are generally

Q4. After triggering an SCR, the gate pulse is removed, the current in the SCR will

Q5. Which of the following is a current controlled device with bidirectional curent capability?

Q6. MOSFET can be used as a

Q7. A single phase current source inverter (CSI) has a capacitor 'C' as the load. For the constant source current , the voltage across the capacitor is ______.

Q8. Which of the following will happen if a voltmeter is connected like an ammeter in series to the load ?

Q9. A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power?

Q10. A thermistor is inherently suitable for temperature measurement involving

Record & Track Your Performance

January
Week # 4 Quiz 2