4
Question
Which of the following is/are a valid configuration for an electric field?
Which of the following is/are a valid configuration for an electric field?
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Solution
The correct options are
A
B
C
D
‘A’ represents non-uniform electrostatic field.
‘B’ represents uniform electrostatic field.
In 'C' the field lines are outward and inward due to a stationary point charge.
‘D’ represents induced electric field.
If a closed loop circular conductor is placed in time varying magnetic field then current is induced as per the Faraday's Law and direction is given by Lenz's law. So, there must be electric field that cause charge carriers to move and this field is there even if there is no circular conductor. Furthermore, it's direction is always tangent to the loop of the conductor. Hence, circular electric field is induced due to changing magnetic field, field line being the circumference of the conducting loop.
A
B
C
D
‘A’ represents non-uniform electrostatic field.
‘B’ represents uniform electrostatic field.
In 'C' the field lines are outward and inward due to a stationary point charge.
‘D’ represents induced electric field.
If a closed loop circular conductor is placed in time varying magnetic field then current is induced as per the Faraday's Law and direction is given by Lenz's law. So, there must be electric field that cause charge carriers to move and this field is there even if there is no circular conductor. Furthermore, it's direction is always tangent to the loop of the conductor. Hence, circular electric field is induced due to changing magnetic field, field line being the circumference of the conducting loop.
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