Home
Class 12
PHYSICS
A metallic resistor is connected across ...

A metallic resistor is connected across a battery.If the number of collisions if the free electrons with the lattice is somehow decreased in the resistor (for example,by cooling it ),the current will

A

(a)increase

B

(b)decrease

C

(c ) remain constant

D

(d) become zero

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CURRENT IN CONDUCTORS

    HC VERMA|Exercise Objective 2|9 Videos

  • ELECTRIC CURRENT IN CONDUCTORS

    HC VERMA|Exercise Exercises|84 Videos

  • ELECTRIC CURRENT IN CONDUCTORS

    HC VERMA|Exercise Short Answer|17 Videos

  • DISPERSION AND SPECTRA

    HC VERMA|Exercise Exercises|11 Videos

  • ELECTRIC CURRENT THROUGH GASES

    HC VERMA|Exercise Exercises|23 Videos

Similar Questions

Explore conceptually related problems

When an a.c source is connected across a resistor

When a 4Omega resistor is connected across the terminals of a 12V battery, the number of coulombs passing through the resistor per second is:

A resistor is connected across a battery and current flows through it. Compare the potential energy of an electron before entering the resistor be that after leaving the resistor.

Six 18.0Omega resistors are connected in parallel across a 12.0V ideal battery. What is the current through the battery?

A resistor is connected to a battery of emf 10 V and internal resistance 0.3 Omega . What is the resistance of the resistor to be inserted in the circuit for the circuit current 1.2A?

A resistor of resistance R is connected to an ideal battery. If the value of R is decreased,the power dissipated in the resistor will

A current of 2A flows through a 2 Omega resistor when connected across a battery. The same battery supplies a current of 0.5A when connected across a 9Omega resistor The internal resistance of the battery is

A current of 2 A flows through a 2 Omega resistor when connected across a battery. The same battery supplies a current of 0.5 A when connected across a 9 Omega resistor. The internal resistance of the battery is