Electrical daily capsule 6,7

Capsule 7
Let,s test your self

What is a dielectric

conductor

insulator

semi-conductor

liquid

Who many entries can be possible in a 3 input NAND gate

3

1

8

15

Bulbs in street light are connected in

series

parallel

Both series & parallel

end to end

A 50 ohm resistance is connected across a 200v power supply then what will be the power dissipation by that resistor

10000watt

0.25watt

4watt

800watt

What is the unit of voltage gain

voltage

ampere

watt

no unit

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Capsule 6
Let's test your self

Kirchhoffs voltage law is related to

junction current

battery e.m.fs

IR drops

none of the above

A load of 230v, 16w, AC is connected in a circuit. The 230v refers to its

average value

maximum voltage

R.M.S value

mean voltage

What is the phase difference between the phases in a 3 phase system?

120 degree

90 degree

180 degree

360 degree

The maximum value of a sine wave is 200v then what will be its R.M.S value

220v

150.5v

230.3v

141.4v

What is the formula of form factor

average value/R.M.S value

R.M.S value/average value

maximum value/3

average value/3

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