Question

6. The primary coil of a transformer has 200 turns and its secondary coil has 50 turns, and the current in the coil has 40 A. When a 12-V alternating current is applied to the primary coil of the transformer, the secondary voltage will be A. 3 V B. 6 V C. 24 V D. 48 V 7. Two 240-watt light bulbs are connected in parallel across a 240-V power line. The current in each bulb is A 0.5 A B. 1.0 A C. 2.0 A D. 4.0 A

          6. The primary coil of a transformer has 200 turns and its secondary coil has 50 turns,
and the current in the coil has 40 A. When a 12-V alternating current is applied to
the primary coil of the transformer, the secondary voltage will be
A. 3 V
B. 6 V
C. 24 V
D. 48 V
7. Two 240-watt light bulbs are connected in parallel across a 240-V power line. The
current in each bulb is
A 0.5 A
B. 1.0 A
C. 2.0 A
D. 4.0 A

6. The primary coil of a transformer has 200 turns and its secondary coil has 50 turns,
and the current in the coil has 40 A. When a 12-V alternating current is applied to
the primary coil of the transformer, the secondary voltage will be
A. 3 V
B. 6 V
C. 24 V
D. 48 V
7. Two 240-watt light bulbs are connected in parallel across a 240-V power line. The
current in each bulb is
A 0.5 A
B. 1.0 A
C. 2.0 A
D. 4.0 A

Added by Amparo S.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Supratim Pal

Step 1

In this case, Vp = 12V, Np = 200, Ns = 50. We want to find Vs. 12V/Vs = 200/50 Cross multiplying, we get: 12Vs = 200*50 Vs = (200*50)/12 Vs = 1000/12 Vs = 83.33V Show more…

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6. The primary coil of a transformer has 200 turns and its secondary coil has 50 turns, and the current in the coil is 40 A. When a 12-V alternating current is applied to the primary coil of the transformer, the secondary voltage will be A. 3V B. 6V C. 24V D. 48V. 7. Two 240-watt light bulbs are connected in parallel across a 240-V power line. The current in each bulb is A. 0.5A B. 1.0A C. 2.0A D. 4.0A.