Home
Class 12
PHYSICS
Two batteries of e.m.f. 4 V and 8 V with...

Two batteries of e.m.f. 4 V and 8 V with internal resistance `1Omega` and `2Omega` are connected in a circuit with a resistance of `9Omega` as shown in figure. The current and potential difference between the points P and Q are respectively

A

`(1)/(3)"A and 3 V"`

B

`(1)/(6)" A and 4 V"`

C

`(1)/(9)" A and 9 V"`

D

`(1)/(2)" A and 12 V"`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A battery of e.m.f. 2 V and internal resistance 2Omega is connected to an external resistance 8Omega . If the length of the conductor is 4 m, then potential gradient between the two ends of the wire is

A battery of emf 12 V and internal resistance 3 Omega is connected to a resistor. If the current in the circuit is 0.5 A, Calculate resistance of resistor.

A cell of e.m.f. 3 V and internal resistance 4 Omega is connected to two resistances of 10 Omega and 24 Omega joined in parallel. Find the current through each resistance using Kirchhoff's laws

A battery having e.m.f. 5V and internal resistance 0.5 is connected with a resistance of 4.5 Omega , then the voltage at the terminals of the battery is

A potentiometer wire of length 1m and resistance 10 Omega is connected in series with a cell of emf 2V with internal resistance 1 Omega and a resistance box including a resistance R. If potential difference between the ends of the wire is 1 mV, the value of R is

Two cells of emf 1.5 Volt and 2 Volt having respective internal resistances of 1 Omega and 2 Omega are connected in parallel so asto send current in same direction through an external resistance of 5 Omega . Find the current through the external resistance.

Choose correct alternative. How many cells of emf 1.5 volt and internal resistance 0.5 Omega must be connected in series with 20 Omega resistance to give the current of 0.6A in circuit?

Two resistors of resistance 20 Omega and 30 Omega are connected in series and potential difference of 5V is applied across the combination. Find the potential difference across each resistor.

A cell of e.m.f. 2 volt and negligible internal resistance is connected to potentiometer wire of length 4 m and resistance 25 Omega , to form a closed circuit. Find the potential gradient along the wire .