Two batteries, one of emf 18V and internal resistance `2Omega` and the other of emf 12 and internal resistance `1Omega` , are connected as shown. The voltmeter V will record a reading of

Two batteries , one of e.m.f. 18 V and internal resistance 2Omega and the toher of e.m.f. 12 V and internal resistane 1Omega , are connected as shown The voltmeter V will record a reading of

Two batteries one of emf 18 V and internal resistance 2Omega . And the other of emf 12 V and internal resistance 1Omega , are connected as shown. The voltmeter V will velocity record a reading of:

Two batteries, one of emf 18 volts and internal resistance 2 Omega and the other fo emf 12 volts and internal resistance 1 Omega , are connected as shown. The voltmeter V will record a reading of

Two batteries one of the emf 3V , internal resistance 1Omega and the other of emf 15 V , internal resistance 2Omega are connected in series with a resistance R as shown. If the potential difference between points a and b is zero, the resistance R in Omega is

Two batteries one of the emf 3V , internal resistance 1Omega and the other of emf 15 V , internal resistance 2Omega are connected in series with a resistance R as shown. If the potential difference between points a and b is zero, the resistance R in Omega is

Two cells one of emf 1.4 V and internal resistance 0.6 Omega the other of emf 2.5. V and internal resistance 0.3 Omega are connected in parallel and the combination is connected in series with an external resistance of 4 Omega . What is the current through this resistance?

Two batteries one of the emf3V, internal resistance In and the other of emf l SV, internal resistance 2Omega are connected in series with a resistanceR as shown. If the potential difference between points a and b is zero, the resistance R is :

A battery of emf 2V and internal resistance 0.5(Omega) is connected across a resistance in 1 second?