1. T or F : Voltage is a measure of the potential energy of a charge in an elect

Question

1. T or F : Voltage is a measure of the potential energy of a charge in an electric field. True
2. The function of a capacitor is to ________store charge______
3. If the plates of a capacitor are pulled apart without losing any charge, the voltage on the plates will _____increase__________.
4. T or F : The charges on capacitors connected in series are equal. true
5. The resistance of a semiconductor (a) increases or (b) decreases with an increase in temperature. B
6. Resistivity is an (a) intrinsic or (b) extrinsic property of materials. A
7. A voltmeter measures (a) voltage, V; (b) differences in voltage, ?V; or (c) electron volts, eV B
8. T or F : The radius of curvature and focal length of a thin lens are approximately identical values. False
9. For concave mirrors and convex lenses, incident parallel rays converge at the ___focal point____
10. Which of the following cannot form a real image when used by itself without other optics?
a. concave mirror or a convex lens b. convex mirror or a concave lens c. convex mirror or a convex lens d. concave mirror or a concave lens. B

Thank you in advance!

Explanation / Answer

1)true 2.store charge 3. _____increase__________. 4.true 5. b) decreases with an increase in temperature 6. (a) intrinsic 7. A voltmeter measures (a) voltage, V; (b) differences in voltage, ?V; or (c) electron volts, eV B 8. T or F : The radius of curvature and focal length of a thin lens are approximately identical values. False 9. For concave mirrors and convex lenses, incident parallel rays converge at the ___focal point____ 10. Which of the following cannot form a real image when used by itself without other optics? a. concave mirror or a convex lens b. convex mirror or a concave lens c. convex mirror or a convex lens d. concave mirror or a concave lens. B they are correct

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