# Question about magnetic field and electric fields.?

(a) Inside a charged hollow metal sphere
(b) In the vicinity of a bar magnet
(c) In the vicinity of an electric point charge
(d) Midway between two infinitely long and wide parallel plates carrying charges of equal magnitude and the same sign.
(e) Midway between two infinitely long parallel wires carrying equal...
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(a) Inside a charged hollow metal sphere

(b) In the vicinity of a bar magnet

(c) In the vicinity of an electric point charge

(d) Midway between two infinitely long and wide parallel plates carrying charges of equal magnitude and the same sign.

(e) Midway between two infinitely long parallel wires carrying equal currents in the same direction

QUESTIONS:

1. Where must there exist an electric field that is not equal to zero

2. Where must there exist a magnetic field that is not equal to zero

(b) In the vicinity of a bar magnet

(c) In the vicinity of an electric point charge

(d) Midway between two infinitely long and wide parallel plates carrying charges of equal magnitude and the same sign.

(e) Midway between two infinitely long parallel wires carrying equal currents in the same direction

QUESTIONS:

1. Where must there exist an electric field that is not equal to zero

2. Where must there exist a magnetic field that is not equal to zero

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