Combination of Resistance

The galvanometer shown in the figure has resistance 10Omega. It is shunted by a series combination of a resistance S = 1Omega and an ideal cell of emf 2 V. A current 2 A passes as shown.

An alternating current source of frequency 100 Hz is joined to a combination of a resistance, a capacitance and a coil in series. The potential difference across the coil, the resistance and the capacitor is 46, 8 and 40 volt respectively. The electromotive force of alternating current source in volt is

The resistance of a series combination of the resistance is S. when they are joined in parallel equvalent resistance is P. Find the value of ((S)/(2P))

The resistance of the series combination of two resistances is S. When they are joined in parallel the total resistance is P. If S= nP then the minimum possible value of n is

The resistance of the series combination of two resistances is S. When they are joined in parallel the total resistance is P. If S= nP then the minimum possible value of n is

A carbon and an aluminium wire are connected in series. If the combination has resistance of 30Omega at 30^@C , what is the resistance of each wire at 0^@C so that resistance of the combination does not change with temperature. (a_c=-0.5 times 10^-3//^@C,a_A=4 times 10^-3//^@C )

Consider the combination of resistor, The equivalent resistance between a and b is

Show how you would connect three resistors, each of 6 Omega , so that the combination has a resistance of (a) 9 Omega , (b) 4 Omega .

Show how you would connect three resistors, each of resistance 6 Omega , so that the combination has a resistance of (i) 9 Omega (ii) 2 Omega .

Calculate the equivalent resistance between the points A and B for the following combination of resistors :