Govt Exams Mock Test FREE | Online Quiz Competition

Q1. Consider a pure resistive heater. The output power of the heater is 1 kW. If it is to be operated with a supply voltage of 250 Volt. its resistance should be,

62.5 \(\Omega\)

125 \(\Omega\)

31.25 \(\Omega\)

10 \(\Omega\)

Q2. How many number of trees are possible for a network possessing 'n' nodes?

\(2^n-1\)

\(2^{n+2}\)

\(n^{[1/n+2]}\)

\(n^{n-2}\)

Q3. Two sound waves, each of amplitude A and frequency \(\omega\), superpose at a point with a phase difference of \(\frac{\pi}{2}\) . The amplitude and the frequency of the resultant wave are, respectively

\(A\sqrt 2,\:\omega\)

\(2A,\: \omega\)

\(\frac{A}{2},\:\omega\)

\(A,\:\omega\)

Q4. If a charged linear time-in varient capacitor is connected across an uncharged capacitor, then the waveform of the charging current will be

Ramp

Impulse

Exponential

Step

Q5. In following figure, if \(i_1 = i_2 =i_3 = 10 A\), then find \(i_4\).

\(-10 A\)

\(1 A\)

\(10 A\)

\(5 A\)

Q6. The input voltage applied to a \(1\:k\Omega\) resistance in order that a current of 100 mA may flow is:

0.1 V

100 V

1 V

10 V

Q7. An iron cored coil has resistance R and inductance L. It is connected across a capacitor C. At resonance this circuit behaves like

an open circuit

a short circuit

a pure resistor of value R

a pure resistor of value much higher than R

Q8. For a sine wave with peak value \(I_{max} \), the r.m.s. value is ______ \(I_{max} \).

0.5

0.707

0.9

1.414

Q9. In a pure LC parallel circuit under resonance condition, the current drawn from the supply is

very large

\(V\sqrt{LC}\)

\(V/\sqrt{LC}\)

zero

Q10. In radio, coils are connected to

Inductors

Resistor

Fixed capacitor

Variable capacitor

Quiz

Year 2024

December
Week # 1 Quiz 2

Q1. Consider a pure resistive heater. The output power of the heater is 1 kW. If it is to be operated with a supply voltage of 250 Volt. its resistance should be,

Q2. How many number of trees are possible for a network possessing 'n' nodes?

Q3. Two sound waves, each of amplitude A and frequency \(\omega\), superpose at a point with a phase difference of \(\frac{\pi}{2}\) . The amplitude and the frequency of the resultant wave are, respectively

Q4. If a charged linear time-in varient capacitor is connected across an uncharged capacitor, then the waveform of the charging current will be

Q5. In following figure, if \(i_1 = i_2 =i_3 = 10 A\), then find \(i_4\).

Q6. The input voltage applied to a \(1\:k\Omega\) resistance in order that a current of 100 mA may flow is:

Q7. An iron cored coil has resistance R and inductance L. It is connected across a capacitor C. At resonance this circuit behaves like

Q8. For a sine wave with peak value \(I_{max} \), the r.m.s. value is ______ \(I_{max} \).

Q9. In a pure LC parallel circuit under resonance condition, the current drawn from the supply is

Q10. In radio, coils are connected to

Quiz

Year 2024

July Week # 1 Expire on 31 Jul 2024

July Week # 2 Expire on 07 Aug 2024

July Week # 3 Expire on 14 Aug 2024

July Week # 4 Expire on 21 Aug 2024

December Week # 1 Quiz 2

Q1. Consider a pure resistive heater. The output power of the heater is 1 kW. If it is to be operated with a supply voltage of 250 Volt. its resistance should be,

Q2. How many number of trees are possible for a network possessing 'n' nodes?

Q3. Two sound waves, each of amplitude A and frequency \(\omega\), superpose at a point with a phase difference of \(\frac{\pi}{2}\) . The amplitude and the frequency of the resultant wave are, respectively

Q4. If a charged linear time-in varient capacitor is connected across an uncharged capacitor, then the waveform of the charging current will be

Q5. In following figure, if \(i_1 = i_2 =i_3 = 10 A\), then find \(i_4\).

Q6. The input voltage applied to a \(1\:k\Omega\) resistance in order that a current of 100 mA may flow is:

Q7. An iron cored coil has resistance R and inductance L. It is connected across a capacitor C. At resonance this circuit behaves like

Q8. For a sine wave with peak value \(I_{max} \), the r.m.s. value is ______ \(I_{max} \).

Q9. In a pure LC parallel circuit under resonance condition, the current drawn from the supply is

Q10. In radio, coils are connected to

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December
Week # 1 Quiz 2