Find the heat produced per minute in each of the resistors shown in fig. 6.2.

Find the heat developed per minute in each of the resistors.

Find the charge appearing on each of the three capacitors shown in Fig.

Find the heat developed in eachof the three resistors shown in figure in 1 minute.

Find the heat developed per minutes in each of the three resistors R_(1),R_(2) and R_(3)

Calculate the ratio of the heat produced in the four arms of the Wheatstone bridge shown in Fig. 6.13

Find the current in the resistor shown in figure.

(i). Find the time taken by a filament of 200 W to heat 500 ml of water from 25^(@) C to 75 ^(@) C . Specific heat of water is 1 calg^(-1@) C^(-1) . Take 1 cal = 4.2 J . (ii) Find the power produced by each resistor shown in Fig. 7.17 . If R_(1) is dipped in 1000 ml of water at 30^(@) C , find the time taken by it to boil the water.

Find the current in each resistor in the circuit as shown in fig.

The current through the 8Omega resistor (shown in fig.) is

Find the equivalent resistance between the points A and B of the network of resistors shown in Fig. 4.16.