A battery of emf epsilon and internal resistance r is connected across a load resistance `R_L` . The plot between output power and load resistance is shown in the figure. The value of emf epsilon and internal resistance r respectively will

A battery of emf (epsilon) and internal resistance r is connected across a load resistance R_L The plot between output power and load resistance is shown in the figure. value of emf (epsilon) and internal resistance respectively will be

A cell of emf epsilon and internal resistance r is charged by a current I, then

A cell of emf epsilon and internal resistance r is connected across a load resistance R (i) Find the maximum power delivered at the load ? (ii) Draw the power (P ) vs load resistance ( R ) graph.

A battery of e.m.f. 10 V and internal resistance 0.5 ohm is connected across a variable resistance R . The value of R for which the power delivered in it is maximum is given by

A battery of emf E and internal resistance r is connected to a variable resistor R as shown in figure. Which one of the following is true ?

A cell of emf E and internal resistance r is connected across an external resistance R . Plot a graph showing the variation o P.D . Across R , verses R .

A battery of emf epsilon and internal resistance r is connected across a pure resistance device (e.f. and electric heater or an electric bulb) of resistance R. Show that the power output of the device is maximum when there is a perfect 'mathcing' between the external resistance adn the source resistance (i.e., where R=r). Determine the maximum power outpur. Or State and prove the maximum power theorem. show that the effciency of a battery when delivering maximum power is only 50% (b) What is power output of the source abvoe if the battery is hosrted? what is the power dissipation inside the battery in that case?

A battery of emf epsilon and internal resistance r is connected across a pure resistance device (e.f. and electric heater or an electric bulb) of resistance R. Show that the power output of the device is maximum when there is a perfect 'mathcing' between the external resistance adn the source resistance (i.e., where R=r). Determine the maximum power outpur. Or State and prove the maximum power theorem. show that the effciency of a battery when delivering maximum power is only 50% (b) What is power output of the source abvoe if the battery is hosrted? what is the power dissipation inside the battery in that case?

If a battery of emf E and internal resistance r is connected across a load of resistance R . Shot that the rate at which energy is dissipated in R is maximum when R = r and this maximur power is P = E^2//4r .