Make pair:
Parallel Connection :`1/R_p=1/R_1+1/R_2`series Connection :……….

Two cells with the same emf E and different internal resistances r_(1) and r_(2) are connected in series to an external resistances R . The value of R so that the potential difference across the first cell be zero is

A circuit consists of two cells, each of e.m.f. E and internal resistances r_(1) and r_(2) are connected in series through an external resistance X. If the potential difference between the ends of the first cell is zero, the value of X in terms of r_(1) and r_(2) will be

In a Wheatstone's bridge, three resistances P,Q and R connected in the three arms and the fourth arm is formed by two resistances S_1 and S_2 connected in parallel. The condition for the bridge to be balanced will be

Choose correct alternative. If R is the resultant resistance of n similar resistance connected in parallel. The resultant resistance when these resistances are connected in series will be

When a resistance of 100Omega is connected in series with a galvanometeer of resistance R, its range is V. To double its range, a resistance of 1000Omega is connected in series. Find R.

Two planets revolve round the sun with frequencies N_(1) and N_(2) revolutions per year. If their average orbital radii be R_(1) and R_(2) respectively, then R_(1)//R_(2) is equal to

Complete the sentences : 1/R_p =…………….

Two resistance R_(1) = 50 pm 2 ohm and R_(2) = 60 ohm connected in series , the equivalent resistance of the series combination in

A potentiometer wire of length 1m and resistance 10 Omega is connected in series with a cell of emf 2V with internal resistance 1 Omega and a resistance box including a resistance R. If potential difference between the ends of the wire is 1 mV, the value of R is

Two resistance R1 and R2 connected in parallel, this equivalent resistance is.