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Maximum constructive interference occurs at the
3
1
3.6 × 10^−2 C
2R
18.0 m/s east
antinodes B and D
1.03 × 10^3 Hz
The resistance increases and the current decreases.
As the temperature of the filament increases, what happens to the resistance of the filament and the current through the filament?
3
1
3.6 × 10^−2 C
2R
18.0 m/s east
antinodes B and D
1.03 × 10^3 Hz
The resistance increases and the current decreases.
Which graph represents the relationship between the potential difference applied to a copper wire and the resulting current in the wire at constant temperature?
3
1
3.6 × 10^−2 C
2R
18.0 m/s east
antinodes B and D
1.03 × 10^3 Hz
The resistance increases and the current decreases.
A singer demonstrated that she could shatter a crystal glass by singing a note with a wavelength of 0.320 meter in air at STP. What was the natural frequency of the glass?
3
1
3.6 × 10^−2 C
2R
18.0 m/s east
antinodes B and D
1.03 × 10^3 Hz
The resistance increases and the current decreases.
Which circuit diagram represents voltmeter V connected correctly to measure the potential difference across resistor R2?
3
1
3.6 × 10^−2 C
2R
18.0 m/s east
antinodes B and D
1.03 × 10^3 Hz
The resistance increases and the current decreases.
A 2700-ohm resistor in an electric circuit draws a current of 2.4 milliamperes. The total charge that passes through the resistor in 15 seconds is
3
1
3.6 × 10^−2 C
2R
18.0 m/s east
antinodes B and D
1.03 × 10^3 Hz
The resistance increases and the current decreases.
A 1000.–kilogram car traveling 20.0 meters per second east experiences an impulse of 2000. newton • seconds west. What is the final velocity of the car after the impulse has been applied?
3
1
3.6 × 10^−2 C
2R
18.0 m/s east
antinodes B and D
1.03 × 10^3 Hz
The resistance increases and the current decreases.
A tungsten wire has resistance R at 20°C. A second tungsten wire at 20°C has twice the length and half the cross-sectional area of the first wire. In terms of R, the resistance of the second wire is
3
1
3.6 × 10^−2 C
2R
18.0 m/s east
antinodes B and D
1.03 × 10^3 Hz
The resistance increases and the current decreases.
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