The resistance of iron wire is `10Omega` and `alpha=5xx(10^(-3))/( .^(@)C)`. If a current of 30A is flowing in it at `20^(@)C` keeping the potential difference across its length constant, if the temperature is incresed to `120^(@)C` what is the current flowing through that wire?

The resistance of an Carbon wire is 10Omega current of 30mA is flowing in it at 20^(@)C .If p.d across its ends constant then its temperature is increased to 120^(@)C then the current flowing in the wire will be in mA (alpha_(c)=5times10^(-3)/^(@C)

If a current of 3 A flows through a wire of resistance 8 ohms, calculate the potential difference applied across its ends.

In the circuit, the current flowing through 10 Omega resistance

The resistance of a wire of iron is 10 ohm and temperature coefficient of resistivity is 5 xx 10^-3//.^@C , At 20^@C it carries 30 mA of current. Keeping constant potential difference between its ends. The temperature of the wire is raised to 120^@C . The current in mA that flows in the wire now is.

In the circuit, the current flowing through 10Omega resistance is

A potential difference of 20 volts is applied across the ends of a resistance of 5 ohms. What current will flow in the resistance?

A current of 5 amperes flows through a wire whose ends are at a potential difference of 3 volts. Calculate the resistance of the wire.

A current of I mA is flowing through a resistance of 1000 Omega . To measure the potential difference across it, a voltmeter should be used whose resistance is

A current of (2.5+-0.05) A flows through a wire and develops a potential difference of (10+-0.1) volt. Resistance of th wire in ohm, is