Electrical Engineering Mcqs — Test 69
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Question 1
Assume that the op-amp of the fig. is ideal. If Vi is a triangular wave, then V0 will be______________?
Question 2
A differential amplifier is invariably used in the i/p stage of all op-amps. This is done basically to provide the op-amps with a very high______________?
Question 3
A 741-Type OP-AMP has a gain-bandwith product of 1MHz. A non-inverting amplifier using this opamp & having a voltage gain of 20db will exhibit -3db bandwidth of______________?
Question 4
An OPAMP has a slew rate of 5 V/μ S .The largest sine wave O/P voltage possible at a frequency of 1 MHZ is_______________?
Question 5
Which of the following methods of heating is not dependent on the frequency of supply ?
Question 6
method has leading power factor____________?
Question 7
Which of the following is an advantage of heating by electricity ?
Question 8
Which of the following heating methods has maximum power factor ?
Question 9
_________ has the highest value of thermal conductivity?
Question 10
is used for heating non-conducting materials?