How many lamps each of `50W`and `100W`can be connected in parallel across a `120V` battery of internal resistance `10 Omega` so the each glows to full power ?

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

How will you connect ( series and parallel ) 24 cells each of internal resistance 1 Omega to get maximum power output across a load of 10 Omega ?

How will you connect ( series and parallel ) 24 cells each of internal resistance 1 Omega to get maximum power output across a load of 10 Omega ?

A voltmeter has a resistance of 50 Omega is connected across a cell of e.m.f. 2V and internal resistance 10 Omega . The reading of voltmeter is

A voltmeter having a resistance of 50 Omega is connected across a cell of e.m.f. 2V and internal resistance 10 Omega . The reading of the voltmeter,

Three resistances of 4 Omega , 5Omega and 12 Omega are connected in parallel.A battery of emf 10 v and internal resistance 0.5 Omega . Is connected with that combination .Find out the currents through this battery and through each of this three resistances.