Current: If a charge of 11.4 C passes through a computer in 1.75 min, what is the average current through the computer?
Fill in the blank(s) with the appropriate word(s).
0.109 A
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A rectangular loop of wire measures 1.0 m by 1.0 cm. If a 7.0-A current flows through the wire, what is the magnitude of the magnetic force on the centermost 1.0-cm segment of the 1.0-m side of the loop? (?0 = 4? × 10-7 T ? m/
A) A) 9.8 × 10-6 N B) 7.8 × 10-7 N C) 9.8 × 10-8 N D) 4.9 × 10-6 N
An object is moving with constant non-zero velocity on the +x axis. The position versus time graph of this object is
A) a horizontal straight line. B) a vertical straight line. C) a straight line making an angle with the time axis. D) a parabolic curve. E) a hyperbolic curve.
How do we know the mass of Neptune?
A) the period and size of Neptune's orbit around the Sun B) the orbital speed of Neptune moving around the Sun C) the size and density of Neptune D) the distance of Neptune from the Earth and its rotation period E) the periods and sizes of the orbits of the moons around Neptune
An ac source having a maximum voltage output of 30 V is connected in series with a 50-? resistor, a 0.60-H inductor, and a 20-µF capacitor
What is the maximum charge on the capacitor when the frequency of the source is adjusted so that the circuit is in resonance? A) 2.1 mC B) 8.4 mC C) 4.2 mC D) 0.00 mC E) 1.0 mC