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

Related Mcqs:

Four wires of same material, the same cross-sectional area and the same length when connected in parallel give a resistance of 25 Q. If the same four wires are connected is series the effective resistance will be________?

A. 100 Ω B. 200 Ω C. 300 Ω D. 400 Ω...

Which of the following statement is true________________?

A. A galvanometer with low resistance in parallel is a voltmeter B. A galvanometer with high resistance in parallel is a voltmeter C. A galvanometer with low resistance in series is an ammeter D. A galvanometer with high resistance in series is an ammeter...

If the efficiency of a machine is to be high, what should be low __________?

A. Input power B. Losses C. True component of power D. kWh consumed E. Ratio of output to input...

Ohm’s law is not applicable to__________?

A. semi-conductors B. D. C. circuits C. small resistors D. high currents...

Which of the following can have negative temperature coefficient _____________?

A. Compounds of silver B. Liquid metals C. Metallic alloys D. Electrolytes...