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SSC JE 2017: Basic Electrical & A.C Fundamental Rankers Quiz 2

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Question 1

An alternating voltage is given by . The frequency of the alternating voltage is………

Question 2

A sinusoidal current has a magnitude of 3A at 120o. Its maximum value will be

Question 3

In a pure resistive a.c. circuit, the frequency of power curve is………..that of the circuit frequency.

Question 4

The main supply of a house is 230 V, 50Hz. The maximum potential difference experienced by a person who happens to touch the line will be ?

Question 5

A 110 V d.c. heater is used on a.c. source such that the heat produced is the same.The r.m.s. value of the alternating voltage

Question 6

In a circuit containing an inductance of zero resistance, the current Leads the applied a.c. voltage by a phase angle of

Question 7

The resistivity of a material is 2 × 10–8 Ωm. What will be the resistance of a hollow pipe of the material of length 1m and having inner and outer radii 10 cm and 20 cm respectively?

Question 8

Figure shows the temperature/resistance graph of a conductor. The value of α0 is
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Jan 9ESE & GATE EE