MULTIPLE CHOICE QUESTION FOR ELECTRICIAN

“This paper presents a detailed study of electrical systems and technologies, focusing on circuit design, power generation, transmission, and innovations in smart grid and renewable energy integration.”

TEST NO 1-BASIC INSTRUMENT

Electrician MCQ-1 (BASIC EINSTRUMENT)

1 / 20

When inductances are connected in series, the equivalent inductance is ____________ the largest individual inductance.

Greater than

Less than

Equal to

Not related to

2 / 20

When inductors are connected in series, the voltage across each inductor is ?

Equal

Different

Zero

Infinity

3 / 20

What A capacitor consists

Two conductors

Two dielectrics

Two semiconductors

Two insulators

4 / 20

Calculate the current in the capacitor having 2V supply voltage and 3F capacitance in 2seconds.

5 / 20

What is the relation between current and voltage in a capacitor?

I=1/C*integral(Vdt)

I=CdV/dt

I=1/CdV/dt

I=Ct

6 / 20

when handling greater currents induction wattmeter are used in conjunction with why A potentiometer may be used?

potential transformer

current transformer

power transformer

energy transformer

7 / 20

How Resistances can be measured ?

Wattmeter

voltmeter

ammeter

ohmmeter and resistance bridge

8 / 20

what are integrating instrument ?

Ammeters

Voltmeters

Wattmeters

Ampere-hour and Watt-hour meters

9 / 20

What Electrodynamic types of instruments are used commonly for the measurement of

Current

Resistance

Voltage

Power

10 / 20

Which of the following material will be preferred as a shunt for extending the range of measurement of a voltmeter

Copper

Steel .

Aluminum

Mangnesium

11 / 20

what happens when the other bulbIf two bulbs are connected in parallel and one bulb blows out?

The other bulb blows out as well

The other bulb continues to glow with the same brightness

The other bulb glows with increased brightness

The other bulb stops glowing

12 / 20

When The current in each branch of a parallel circuit is proportional to---

The amount of time the circuit is on for

Proportional to the value of the resistors

Equal in all branches

Proportional to the power in the circuit

13 / 20

What happens to the current in the series circuit if the resistance is doubled?

It becomes half its original value

It becomes double its original value

It becomes zero

It becomes infinity

14 / 20

What is the voltage measured across a series short?

Infinite

Zero

The value of the source voltage

Null

15 / 20

which of the parameters remain constant across all circuit elements such as resistor, capacitor and inductor etceter in series circuit

Voltage

Current

Both voltage and current

Neither voltage nor current

16 / 20

What is the reciprocal of resistivity?

Conductance

Resistance

Conductivity

Impedance

17 / 20

what is the The SI unit of power ?

kW(kilo-watt)

J/s(joules per second)

Ws(watt-second)

J/h(joules per hour

18 / 20

what is the unit of Kilowatt-hour(kWh)?

Current

Power

Energy

Resistance

19 / 20

what a Electric field terminates ?

Positive charge

Negative charge

Both positive and negative

Neither positive nor negative

20 / 20

What The unit for inductance ?

Ohm

Henry

A/m

A/s

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