Govt Exams Mock Test FREE | Online Quiz Competition

Q1. A three-phase three-wire supply feeds a delta connected load consisting of three equal resistors. What will be the reduction in load if one of the resistor is removed?

50%

16.67%

33.33%

8.33%

Q2. The energy stored in the capacitor \(C_1\) under steady state condition is:

25 J

100 J

250 J

350 J

Q3. The value of Z in figure which is must appropriate to cause parallel resonance at 500 Hz is

\(125.00 \:mH\)

\(304.20\: \mu F\)

\(2.0\: \mu F\)

\(0.05\: \mu F\)

Q4. The value of current 'I3' in the Figure shown below is ___________.<br>

1 A

2 A

3 A

4 A

Q5. In two wattmeter method of measuring power in a 3-phase system one of the wattmeter read negative implying

wattmeter connection is faulty

load is unbalance

power flow is in the reverse direction

pf is less than 0.5

Q6. Two coils connected in series have self inductance of 40 mH and 10 mH respectively. The total inductance of the circuit is found to be 60 mH. The mutual inductance between the two coils is________.

5 mH

10 mH

25 mH

50 mH

Q7. In the measurement of power using two wattmeter method, when the power factor is unity

One of the wattmeters will read zero.

Both the wattmeters will read maximum.

Both the wattmeters will read positive and equal.

Both the wattmeters will read minimum.

Q8. A load is connected to a network. At the Terminals to which the load is connected, \(R_{TH}=10\:\Omega\) and \(V_{TH}=40\:V.\). The maximum possible power supplied to the load is:

40 W

160 W

20 W

80 W

Q9. What is the value of equivalent resistance if the resistor \(10\:\Omega\) is parallel to \(20\:\Omega\)?

\(30\:\Omega\)

\(12.68\:\Omega\)

\(6.67\:\Omega\)

\(3.28\:\Omega\)

Q10. A charge of \(4.8 \times10^5 \:C\) passes through a solution of copper sulphate. The number of \(Cu^{++}\) ions liberated from the electrolyte is

\(2 \times 10^{12}\)

\(1.25 \times 10^{22}\)

\(3 \times 10^{19}\)

\(1.5 \times 10^{24}\)

Quiz

Year 2024

October
Week # 1 Quiz 1

Q1. A three-phase three-wire supply feeds a delta connected load consisting of three equal resistors. What will be the reduction in load if one of the resistor is removed?

Q2. The energy stored in the capacitor \(C_1\) under steady state condition is:

Q3. The value of Z in figure which is must appropriate to cause parallel resonance at 500 Hz is

Q4. The value of current 'I3' in the Figure shown below is ___________.<br>

Q5. In two wattmeter method of measuring power in a 3-phase system one of the wattmeter read negative implying

Q6. Two coils connected in series have self inductance of 40 mH and 10 mH respectively. The total inductance of the circuit is found to be 60 mH. The mutual inductance between the two coils is________.

Q7. In the measurement of power using two wattmeter method, when the power factor is unity

Q8. A load is connected to a network. At the Terminals to which the load is connected, \(R_{TH}=10\:\Omega\) and \(V_{TH}=40\:V.\). The maximum possible power supplied to the load is:

Q9. What is the value of equivalent resistance if the resistor \(10\:\Omega\) is parallel to \(20\:\Omega\)?

Q10. A charge of \(4.8 \times10^5 \:C\) passes through a solution of copper sulphate. The number of \(Cu^{++}\) ions liberated from the electrolyte is

Quiz

Year 2024

November Week # 4 Expire on 21 Dec 2024

December Week # 1 Expire on 31 Dec 2024

December Week # 2 Expire on 07 Jan 2025

December Week # 3 Expire on 14 Jan 2025

October Week # 1 Quiz 1

Q1. A three-phase three-wire supply feeds a delta connected load consisting of three equal resistors. What will be the reduction in load if one of the resistor is removed?

Q2. The energy stored in the capacitor \(C_1\) under steady state condition is:

Q3. The value of Z in figure which is must appropriate to cause parallel resonance at 500 Hz is

Q4. The value of current 'I3' in the Figure shown below is ___________.<br>

Q5. In two wattmeter method of measuring power in a 3-phase system one of the wattmeter read negative implying

Q6. Two coils connected in series have self inductance of 40 mH and 10 mH respectively. The total inductance of the circuit is found to be 60 mH. The mutual inductance between the two coils is________.

Q7. In the measurement of power using two wattmeter method, when the power factor is unity

Q8. A load is connected to a network. At the Terminals to which the load is connected, \(R_{TH}=10\:\Omega\) and \(V_{TH}=40\:V.\). The maximum possible power supplied to the load is:

Q9. What is the value of equivalent resistance if the resistor \(10\:\Omega\) is parallel to \(20\:\Omega\)?

Q10. A charge of \(4.8 \times10^5 \:C\) passes through a solution of copper sulphate. The number of \(Cu^{++}\) ions liberated from the electrolyte is

Record & Track Your Performance

October
Week # 1 Quiz 1