Will mark brainliest What device is used to send alternating current from one electric circuit to another by induction?
an induced magnet
an electromagnet
A transformer

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

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Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)