Home
Class 12
PHYSICS
At a junction of three wires , the inwar...

At a junction of three wires , the inward currents through two of the wire are 1 A and 2 A . What is the inward current though the third wire ?

Text Solution

Verified by Experts

The correct Answer is:
`- 3 V`
Promotional Banner

Topper's Solved these Questions

  • KIRCHHOFF'S LAWS AND ELECTRICAL MEASUREMENT

    CHHAYA PUBLICATION|Exercise EXERCISE ( Short Answer Type Questions - I )|7 Videos

  • KIRCHHOFF'S LAWS AND ELECTRICAL MEASUREMENT

    CHHAYA PUBLICATION|Exercise EXERCISE ( Short Answer Type Questions - II )|1 Videos

  • KIRCHHOFF'S LAWS AND ELECTRICAL MEASUREMENT

    CHHAYA PUBLICATION|Exercise EXERCISE (Multiple Choice questions )|14 Videos

  • ELEMENTARY PHENOMENA OF ELECTROSTATICS

    CHHAYA PUBLICATION|Exercise EXAMINATION ARCHIVE|2 Videos

  • LIGHT WAVE AND INTERFERENCE OF LIGHT

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|15 Videos

Similar Questions

Explore conceptually related problems

Current is allowed to pass in a circuit formed by two wires of the same material connected in a parallel combination.The ratio of the lengths and the radii of the two wires are 4:3 and 2:3 respectively, Determine the ratio of the current flowing through the two wires.

A fuse wire has a length l and radius r . The maximum safe current through it is

The ration of the radii of two fuse wires of the same material is 1:4 . What is the maximum safe current (in A ) for the second wire , if that for the first wie is 1 A ?

If a current of 0.5A flows through a metallic wire for 2h, then how many electrons would flow through the wire?

One end of an aluminium wire whose diameter is 2.5 mm is welded to one end of a copper wire whose diameter is 2.0 mm. The composite wire carries a steady current of 6.25A. What is the current density in each wire ?

The distance between two long and parallel wires is b. If the current flowing through each of them is iA, what will be the force acting per unit length of each wire?

Statement I: The drift velocity of free electrons is v_d when a current l passes through a copper wire. The drift velocity is halved when the same current passes through another copper wire of double the diameter. Statement II: For the same current, the drift velocity of free electrons in a metal wire is inversely proportional to the area of cross section of the wire.

The electric current in a wire in the direction from B to A is increasing. What is the direction of induced current in the metallic loop kept above the wire?