Govt Exams Mock Test FREE | Online Quiz Competition

Q1. The \(\begin{bmatrix} y \end{bmatrix}\) matrix for the two port network given below is

Non- reciprocal and Symmetrical

Non-reciprocal and Non-symmetrical

Reciprocal and Symmetrical

Reciprocal and Non-symmetrical

Q2. A \(120\:\Omega\) resistor is in parallel with a capacitor with a capacitive reactance of \(40\:\Omega\). Both components are across a 20 V AC source. What is the magnitude of the total current through the circuit?

\(\sqrt \frac{2}{9}A\)

\(\sqrt \frac{5}{18}A\)

\(\sqrt \frac{1}{40}A\)

\(\sqrt \frac{1}{120}A\)

Q3. The energy stored in the capacitor \(C_1\) under steady state condition is:

25 J

100 J

250 J

350 J

Q4. The voltage across A-B in the circuit shown in Fig. is

10 V

4 V

8 V

2 V

Q5. About how many times longer would a 10 watt light bulb be able to burn compared to a 100 watt bulb with the same energy?

10 times longer

100 times longer

Same time

None of the above

Q6. The value of current I flowing through 2 \(\Omega\) resistance in the circuit below equals to______.

5A

0

10A

2.5A

Q7. A \(5^\circ C\) rise in temperature is observed in a conductor by passing a current. When the current is doubled, the rise in temperature will be

\(10^\circ C\)

\(12^\circ C\)

\(16^\circ C\)

\(20^\circ C\)

Q8. For a network having resistors and independent sources, it is desired to obtain Thevenin's or Norton’s equivalent across the load which is in parallel with an ideal current source.
Consider the following statements:
1. The Thevenin's equivalent circuit is simply that of a voltage source.
2. The Thevenin's equivalent circuit consists of voltage source and a series resistor.
3. The Thevenin's equivalent circuit does not exist but the Norton equivalent does exist.

1 and 3

2 and 3

1 only

3 only

Q9. Which statements represent the properties of a tree according to the network graph theory?
A1 : There exists only a single path between any pair of nodes.
A2 : The rank of a tree is similar to the rank of graph
A3 : A tree does not contain any node on the graph
A4 : A tree comprises all closed paths

\(A_1\) & \(A_3\)

\(A_3\) & \(A_4\)

\(A_1\) & \(A_2\)

None of the above

Q10. In 3 phase delta connected symmetrical load consumes P watts from balanced supply. If same load is connected in star to same supply, what is the power consumption?

P/3

P

\(\sqrt3\:\)P

3P

Quiz

Year 2025

January
Week # 1 Quiz 1

Q1. The \(\begin{bmatrix} y \end{bmatrix}\) matrix for the two port network given below is

Q2. A \(120\:\Omega\) resistor is in parallel with a capacitor with a capacitive reactance of \(40\:\Omega\). Both components are across a 20 V AC source. What is the magnitude of the total current through the circuit?

Q3. The energy stored in the capacitor \(C_1\) under steady state condition is:

Q4. The voltage across A-B in the circuit shown in Fig. is

Q5. About how many times longer would a 10 watt light bulb be able to burn compared to a 100 watt bulb with the same energy?

Q6. The value of current I flowing through 2 \(\Omega\) resistance in the circuit below equals to______.

Q7. A \(5^\circ C\) rise in temperature is observed in a conductor by passing a current. When the current is doubled, the rise in temperature will be

Q10. In 3 phase delta connected symmetrical load consumes P watts from balanced supply. If same load is connected in star to same supply, what is the power consumption?

Quiz

Year 2025

December Week # 2 Expire on 07 Jan 2025

December Week # 3 Expire on 14 Jan 2025

December Week # 4 Expire on 21 Jan 2025

January Week # 1 Expire on 31 Jan 2025

January Week # 1 Quiz 1

Q1. The \(\begin{bmatrix} y \end{bmatrix}\) matrix for the two port network given below is

Q2. A \(120\:\Omega\) resistor is in parallel with a capacitor with a capacitive reactance of \(40\:\Omega\). Both components are across a 20 V AC source. What is the magnitude of the total current through the circuit?

Q3. The energy stored in the capacitor \(C_1\) under steady state condition is:

Q4. The voltage across A-B in the circuit shown in Fig. is

Q5. About how many times longer would a 10 watt light bulb be able to burn compared to a 100 watt bulb with the same energy?

Q6. The value of current I flowing through 2 \(\Omega\) resistance in the circuit below equals to______.

Q7. A \(5^\circ C\) rise in temperature is observed in a conductor by passing a current. When the current is doubled, the rise in temperature will be

Q10. In 3 phase delta connected symmetrical load consumes P watts from balanced supply. If same load is connected in star to same supply, what is the power consumption?

Record & Track Your Performance

January
Week # 1 Quiz 1