A resistance R whose value is varied from `1 Omega` to `5 Omega` is connected to a cell of internal resistance `3 Omega`. The power consumed by R.

Two heating coils of resistance 10 Omega and 20 Omega are connected in parallel and connected to a battery of emf 12V and internal resistance 1 Omega . The power consumed by them is in the ratio

two heading coils of resistances 10Omega and 20 Omega are connected in parallel and connected to a battery of emf 12 V and internal resistance 1Omega Thele power consumed by the n are in the ratio

two heading coils of resistances 10Omega and 20 Omega are connected in parallel and connected to a battery of emf 12 V and internal resistance 1Omega Thele power consumed by the n are in the ratio

A resistor of resistance R is connected to a cell internal resistance 5 Omega . The value of R is varied from 1 Omega to 5 Omega . The power consumed by R

A resistor of resistance R is connected to a cell internal resistance 5 Omega . The value of R is varied from 1 Omega to 5 Omega . The power consumed by R

In an electric circuit shown in the figure. The external resistance R is variable. It is found that same power is developed R is variable. Its is found that same power is developed in external resistance R if its value is either 5 Omega or 20 Omega . within this information find the internal resistance (r) of the voltage source.

The series combination of two batteries, both of the same emf 10 V, but different internal resistance of 10 Omega and 5 Omega is connected to the parallel combination of two resistors 30 Omega and R Omega . The voltage difference across the battery of internal resistance 10 Omega is zero, the value of R (in Omega ) is : _________.

The series combination of two batteries, both of the same emf 10 V, but different internal resistance of 10 Omega and 5 Omega is connected to the parallel combination of two resistors 30 Omega and R Omega . The voltage difference across the battery of internal resistance 10 Omega is zero, the value of R (in Omega ) is : _________.

The series combination of two batteries, both of the same emf 10 V, but different internal resistance of 10 Omega and 5 Omega is connected to the parallel combination of two resistors 30 Omega and R Omega . The voltage difference across the battery of internal resistance 10 Omega is zero, the value of R (in Omega ) is : _________.

A parallel combination of three resistances of 6 Omega, 12 Omega and 12 Omega is connected in series with an electric cell of emf 1.5 V and internal resistance 2 Omega . Find out the currents through the three resistances.