The resistance of each of the three wires joined as shown in figure is `4 Omega` and each one can have a maximum power of 20 watt (otherwise it will melt). What maximum power will the whole circuit dissipate ?

In the circuit shown in Fig.6.1, each of the three resistors of 4Omega can have a maximum power of 20W (otherwise it will melt). What maximum power can the whole circuit take?

Each of three resistors in figure has a resistance of 2.4 Omega and can dissipate a maximum of 36 W without becoming excessively heated. What is the maximum power the circuit can dissipate?

Each of three resistors in fig. 7.12 has a resistance of 2 Omega and can dissipate a maximum of 18 W without becoming excessively heated. Find the maximum power the circuit can dissipate.

In the following figures, each of the three resistances, the rating of 24 W and resistance of 6Omega . Find the maximum power rating of the circuit.

The resistance of each of the three wires, The combination of resistors is connected to a source of emf epsilon . The ammeter shows a reading of 1A . Calculate the power dissipated in the circuit

Three 2 Omega resistors, A, B and C are connected as shown in figure. Each of them dissipates energy and can with stand a maximum power of 18 W without melting. Find the maximum current that can flow through the three resistors ?

A 5-A wire can withstand a maximum power of 1W in circuit. The resistance of the fuse wire is

(a) A cell of emf E and internal resistance r is connected to a resistance R . (i) Relate r and R , so that power in R is maximum. (ii) Maximum power consumed by R . (iii) Efficiency. (b) Find value r in terms of R so that power in external circuit is maximum. (c) A battery of internal resistance 4Omega is connected to the network of resistance as shown in the figure. what must be the value of R so that maximum power is delivered to the network? what is tha maximum power?

In the circuit shown in figure-3.196, find the value of resistance ?R at which the power transferred to this resistance will be maximum.