Which of the following can have negative temperature coefficient _____________?

Related Mcqs:

Which quantity should be measured by the voltmeter ?

A. Current B. Voltage C. Power D. Speed...

Conductance is reciprocal of____________?

A. resistance B. inductance C. reluctance D. capacitance...

A resistance having rating 10 ohms, 10 W is likely to be a__________?

A. metallic resistor B. carbon resistor C. wire wound resistor D. variable resistor...

A closed switch has a resistance of_____________?

A. zero B. about 50 ohms C. about 500 ohms D. infinity...

If/, R and t are the current, resistance and time respectively, then according to Joule’s law heat produced will be proportional to_______________?

A. I2Rt B. I2Rf C. I2R2t D. I2R2t*...