Multiple Choice
A bob of mass m (m = 0.500 g) , and charge magnitude Q (Q = 50.0 C) is held by a massless string in a uniform electric field E. If the bob makes an angle of 10.0 degrees with the vertical, then calculate the magnitude of the electric field E and the sign of the bob charge Q.
A) 1.73 *101 N/C and Q is positive.
B) 9.81 *101 N/C and Q is negative.
C) 9.81 * 101 N/C and Q is positive.
D) 1.73 *101 N/C and Q is negative.
E) 1.80 *10-1 N/C and Q is positive.
Correct Answer:
Verified
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