Which of the following can have negative temperature coefficient _____________?
Which of the following can have negative temperature coefficient _____________?
A. Compounds of silver
B. Liquid metals
C. Metallic alloys
D. Electrolytes
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Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be_________________?
Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be_________________?
A. 9 times
B. 1/9 times
C. 1/3 times
D. 3 timesA substance whose molecules consist of dissimilar atoms is called____________?
A substance whose molecules consist of dissimilar atoms is called____________?
A. semi-conductor
B. super-conducto
C. compound
D. insulatorVoltage dependent resistors are usually made from________________?
Voltage dependent resistors are usually made from________________?A. Charcoal
B. Silicon Carbide
C. Nichrome
D. GraphiteOne newton meter is same as_____________?
One newton meter is same as_____________?
A. one watt
B. one joule
C. five joules
D. one joule secondWhich of the following statement is true both for a series and a parallel D. C. circuit?
Which of the following statement is true both for a series and a parallel D. C. circuit?
A. Elements have individual currents
B. Currents are additive
C. Voltages are additive
D. Power are additiveA thermistor has_____________?
A thermistor has_____________?
A. positive temperature coefficient
B. negative temperature coefficient
C. zero temperature coefficient
D. variable temperature coefficient