NLC Technical Quiz 26

A voltage source of v(t) = 50 sint is connected in a circuit with series RL elements with R = 6 Ω and L = 8 H. What will be the active power consumed in circuit.

The signal is represented by:

x(t) = 4 +

the form factor will be:

The magnetic field is represented by:

The value of K will be

Which of the following AC bridge is used to measure frequency?

A voltmeter of full-scale current of 2mA and a meter resistance of 50 Ω. It is to be converted to a 5V voltmeter. The value of multiplier resistance will be

If in a common emitter amplifier, base current I_B is 0.1 mA and collector current I_C is 5 mA. Then the value of current gain in common base amplifier will be:

From the following method, which of the following method is used to reduce armature reaction in dc machine?

(i) By using interpoles

(ii) By using compensating windings

(iii) Pole stacking

(iv) By using distributed winding

To limit the Ferranti effect in transmission line, the compensation required is