7000+ GATE Practice Test Questions Pdf - 2

Question: 6

Which of the following are needed both for protection and metering?

(A) Wattmeters

(B) Power factor meters

(C) Instrument transformer

(D) Energy meter

Question: 7

The ac voltmeter using PMMC measures

(A) Average voltage

(B) Instantaneous voltage

(C) Peak voltage

(D) True RMS voltage

Question: 8

In ferromagnetic materials

(A) One of the constituent is iron

(B) The constituent is only iron

(C) The atomic magnetic moments are antiparallel and unequal

(D) The atomic magnetic moments are parallel

Question: 9

The rate of diffusion process will increase if temperature is

(A) Constant

(B) Sub-zero

(C) Increased

(D) Decreased

Question: 10

The forces involved in the chemical bonding are

(A) Coulomb's force

(B) Plank's forces

(C) Newton's forces

(D) Pauli's forces