If two resistors of resistance `30 Omega` and `40 Omega` are con-nected in parallel across a battery, then the ratio of potential difference across them is `"______"`.

Two resistors of resistances 25 Omega and 75 Omega are connected in series across a source of 120V. Calculate the current through them and potential drop across each resistor?

Two resistors of resistance 20 Omega and 30 Omega are connected in series and potential difference of 5V is applied across the combination. Find the potential difference across each resistor.

Three resistors having resistances of 5 Omega , 10 Omega and 30 Omega are connected in parallel and a potential difference of 12 V is applied across them. Obtain the current flowing through the circuit ang through individual resistors. What is the effective resistance in the circuit?

Three resistances 2 Omega, 3 Omega and 4 Omega are connected in parallel. The ratio of currents passing through them when a potential difference is applied across its ends will be

Three resistances 2 Omega, 3 Omega and 4 Omega are connected in parallel. The ratio of currents passing through them when a potential difference is applied across its ends will be

Three resistances 2 Omega , 3 Omega and 4 Omega are connected in parallel . The ratio of currents passing through them when a potential differences is applied across its ends will be

Three resistance of magnitudes 20Omega,30Omega and 40Omega are connected in series.(i) What is the equivalent resistance? (ii) IF the potential difference across the resistance 20Omega is 1V, calculate the potential differences across the other two resistances and also the total potential difference across the combination.