Question: _21. The wire (below) is placed under a compass needle and electrons are flowing from A to B. What direction will the compass needle point?

_21. The wire (below) is placed under a compass needle and electrons are flowing from A to B. What direction will the compass needle point? electrons a. west b. east c. south d. north 22. What is the direction of the magnetic field around the current carrying conductor (as seen from one end) shown below? a. left b. up c. clockwise d. counter-clockwise 23. If a generator transmits electricity at a rate of 10 KA through a transmission line with a resistance of 0.3 0, how much power is lost in the transmission? a. 30 kW b. 20 MW c. 30 MW d. 40 kW

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