Physics
docs gaogle com/torms/d/e/1 FAIPQL
15
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(15)TV screen become charged with static electricity.
◯ True
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116
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(16)There is an electric current in conductors when electrons are at rest.
◯ True
◯ False
117
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(17)When a ray is reflected at right angles to its original direction from a plane mirror, the angle of incidence is \( 90^{\circ} \).
◯ True
◯ False