(a) Three resistors `1 Omega, 2Omega and 3 Omega` are combined in series. What is the total resistance of the combination ?
(b) If the combination is connected to a battery of emf 12 V and negligible internal resistance, obtain the potential drop across each resistor.

A series combination of three resistances 1 Omega, 2 Omega and 3 Omega is connected with a cell of emf 1.5 V and of negligible internal resistance. What is the terminal potential difference across the third resistance?

n electric cells of emf e and internal resistance r each are connected in series.What is the emf of this combination.

Two resistances of 6 Omega and 3 Omega are connected in parallel and this combination is connected to a battery of emf 2V. What will be the current flowing through the 6 Omega resistance?

If 4 equal resistances each of magnitude 10 Omega be connected in parallel, then equivalent resistance the combination 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.

Given the resistance of 1Omega,2Omega,3Omega, how will you combine them to get an equivalent resistance of: 6Omega

A resistance of 12 Omega is connected with a battery of emf 1.5volt to have 0.1A current. What is the intemal resistahce of the battery?

Three resistances 8 Omega,20 Omega and 40 Omega are connected in parallel and the combination is joined to a cell of emf 2.1 V. IF current through the lowest resistances is 0.25A, determine the terminal resistance of the cell.

Two resistances 1 Omega and 2 Omega are connected in series and a potential difference of 6V is applied across the ends of this combination. What will be the terminal potential difference across the second resistance?