EXERCISE - 4B

Author:V.K. Sally

V.K. Sally Physics Solutions for EXERCISE - 4B

Simple step-by-step solutions to EXERCISE - 4B questions of Magnetic Effects of Electric Current from Core Science Physics. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from EXERCISE - 4B with Hints & Solutions

EASY
10th CBSE
IMPORTANT

Name and state the rule, which determines the direction of flow of induced current in the conductor.

(Choose from Fleming's right hand rule, Fleming's left hand rule, Right hand thumb rule)  

EASY
10th CBSE
IMPORTANT

On what factors does the force experienced by a straight conductor placed in a magnetic field depend? Fleming stated two laws involving left hand and right hand. Which law is applicable when mechanical energy changes into electric energy?

MEDIUM
10th CBSE
IMPORTANT

An electron enters a magnetic field at right angles to the field direction as shown in the figure. What will be the direction of force acting on the electron?

 

Question Image  

MEDIUM
10th CBSE
IMPORTANT

Draw the line of forces (indicating field direction) of the magnetic field through a solenoid carrying electric current. 

MEDIUM
10th CBSE
IMPORTANT

With a labelled diagram, describe the working of an electric motor.

EASY
10th CBSE
IMPORTANT

What is the function of split-ring commutator in motor?

MEDIUM
10th CBSE
IMPORTANT

Describe an activity to demonstrate the pattern of magnetic field lines around a straight conductor carrying current.

MEDIUM
10th CBSE
IMPORTANT

 Describe an activity to find the direction of the field produced for a given direction of current in the conductor.