The secondary of a transformer is the coil connected to
A) the load.
B) the Internet.
C) the input power line.
D) none of the above
Answer: A
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RMS and Peak Quantities: The potential applied to a 20-? resistor is (60 V) cos(33t). What is the average power consumed in the resistor?
Fill in the blank(s) with the appropriate word(s).
An astronaut tosses a ball out in space where gravitational forces may be neglected. What will happen to the ball?
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A step-up transformer has an input voltage of 110 V (rms). There are 100 turns on the primary and 1500 on the secondary. What is the output voltage?
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A rocket, initially at rest, is fired vertically with an upward acceleration of 10 m/s2. At an altitude of 0.50 km, the engine of the rocket cuts off. What is the maximum altitude it achieves?
A. 1.9 km B. 1.3 km C. 1.6 km D. 1.0 km E. 2.1 km