An emf of 0.26 V is induced in a 0.40-H inductor. What is the rate of change of current through the inductor?
a. 0.80 A/s
c. 0.13 A/s
b. 1.3 A/s
d. 0.65 A/s
D
Physics & Space Science
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The deepest canyon in the solar system is on the planet:
A. Earth B. Jupiter C. Mercury D. Venus E. Mars
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A 500-W device is connected to a 120-V ac power source. What peak current flows through this device?
A) 4.2 A B) 5.9 A C) 120 A D) 150 A E) 170 A
Physics & Space Science
If an electron is accelerated from rest through a potential difference of 25,000 volts in a color television picture tube, its kinetic energy will be
A) 16 J. B) 2.5 × 104 J. C) 4.0 × 10-5J. D) 1.6 J. E) 4.0 × 10-15 J.
Physics & Space Science
Two pairs of sunspots appear similar, but if one photo was made in 1990, and the next photo was in 2002, we would note what difference?
What will be an ideal response?
Physics & Space Science