A potentail difference of `V = (20 +-1)` volt is applied across a resistance of `(8.0 +-2)` ohm. Calculate the current with error limits.

A potential difference of V = (20pm 1) volt is applied across a resistance of (8pm2) ohm. Calculate the current with error limits.

A potential of V= (10 pm 0.1) volt is applied across a resistance of (5 pm 0.2) Omega . Find the volue of current within error limits.

A potential difference of 250 volts is applied across a resistance of 500 ohms in an electric iron. Calculate (i) current, and (ii) heat energy produced in joules in 10 seconds.

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 potential difference of 220 V is applied across a resistance of 440 Omega in an electrical appliance. Calculate the current drawn and heat energy produced in 20 seconds.

A resistance of 6 ohms is connected in series with another resistance of 4 ohms. A potential difference of 20 volts is applied across the combination. Calculate the current through the circuit and potential difference across the 6 ohm resistance.

A potential difference of 100 v is applied across a wire of resistance 50 ohm for one minute. Find the heat produced in joule.