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Joule law of heating is ....

Joule law of heating is ___________.

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State Joule's law of heating.

State Joule's law of heating and give its mathematical form. An electric iron takes a current of 5A and develops 1.5 xx 10^(4) J of heat energy in 30 s. Calculate the resistance of the electric iron.

State Joule's law of heating and give its mathematical form. An electric iron takes a current of 5A and develops 1.5 xx 10^(4) J of heat energy in 30 s. Calculate the resistance of the electric iron.

State Joule's law of heating by electric current. Name the materials used to making (i) standard resistors (ii) heater element.

State Joule's law of heating. Explain the workmg of electric filament bulb. OR State Ohm's law. How ammeter and voltmeter should be connected in electric circuit ? What is the use of these instruments, in the circuit ?

(i) State Joule's law off heating. (ii) An alloy of nickel and chromium is used as the heating element. Why? (iii) How does a fuse wire protect electrical appliances?