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SSC JE EE : Technical Quiz 3

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Question 1

In ______ materials each atom has a relatively large dipole moment, caused primarily by uncompensated electron spin moment.

Question 2

Two coils having self-inductance of 4 mH and mutual inductance of 2 mH. The find the ratio of equivalent inductance when it is differential and additive in nature respectively?

Question 3

In hot wire instrument, hot wire made up of which material?

Question 4

In a balanced 3-phase system, if one of the two wattmeter’s reading is negative, then the

Question 5

The pole faces shaped to fit the curvature of the armature are known as the _______.

Question 6

Which of the following statement is true regarding magnetization characteristics?

Question 7

When an alternating potential difference is applied across a transmission line, it draws a leading current even when it is unloaded. This leading current is in quadrature with the applied voltage and is known as

Question 8

A bank of three single phase transformers can be used for obtaining the three-phase output. Three magnetic circuits produced in case of a bank of three single phase transformer and in case of three-phase transformer are

Question 9

In the Sumpner’s test, secondary of both transformer are connected in _____ and secondary side wattmeter reading gives ______ ?

Question 10

The h-parameter equivalent circuit of a transistor is valid for

Question 11

A digital voltmeter has a read-out range from (0 – 9,999) counts. Determine the resolution of the instrument in Volt when the full-scale reading is 9.999 V.

Question 12

Base to emitter voltage in forward biased transistor decreases with increase of temperature at the rate of

Question 13

__________ is the process of plating one metal onto another by hydrolysis, most commonly for decorative purposes or to prevent corrosion a metal.

Question 14

Which of the following is not a part of Squirrel cage 3- phase induction motor

Question 15

Which of the following is NOT an example of a secondary instrument?

Question 16

_____finds the voltage potentials at different nodes that provide a common connection for two or more circuit components in a circuit.

Question 17

What is the unit of Transmission parameter B?

Question 18

Which of the following provides leading current which neutralize (totally or approximately) the lagging inductive component of load current (i.e. leading component neutralize or eliminate the lagging component of load current) thus power factor of the load circuit is improved.

Question 19

For the economic conditions, Buchholz relay is provided in the transformer having rating

Question 20

In a series R-L circuit supplied from a sinusoidal voltage source, voltage across R and L are 3 V and 4 V respectively. The supply voltage is then
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