Answer the following statement(s) true (T) or false (F)
1. When the varying lines of magnetic force from a coil induce an EMF in an adjacent coil, the coils have mutual inductance.
2. In a step-up transformer, the primary voltage is greater than the secondary voltage.
3. A circuit or coil has an inductance of one henry when current varying at the rate of one ampere per second induces an EMF of 120 volts across the terminals of the circuit or coil.
4. The vectors shown in the accompanying figure represent 110 volts with a current of 10 amperes leading by 90°.
1. True
2. False
3. False
4. False
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