Practice_Test_3 - Practice Test 3 1. Two metal plates...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Practice Test 3 1. Two metal plates separated by a distance of 0.5 mm are charged oppositely and each carry a charge density 600 µ C/m 2 . If ε o = 8.85 x 10 -12 , what is the electric field in between the plates? a. 67.8 MV/m b. 67.8 kV/m c. 56.7 MV/m d. 56.7 kV/m 2. What is the potential difference between the two plates in question 1? a. 34 V b. 340 V c. 34 kV d. 34 MV 3. If E is the electric field between two metal plates separated by a distance d, the potential difference between the plates is a. E b. E/d c. Ed d. E+d 4. A conductor carries a charge Q coulombs and its potential is V volts. The capacitance of the conductor is a. (Q + V) F b. Q/V F c. QV F d. V/Q F 5. If now more charges are added to the conductor in question 4, a. its capacitance will increase b. its capacitance will decrease c. its capacitance will remain the same d. its potential and capacitance will both increase 6. The capacitance of a capacitor depends on a. the area of the capacitor plates b. the charge on the capacitor plates c. the potential difference between the capacitor plates d. the resistance of the capacitor plates 7. When 3.0 µ C charge is given to a capacitor, the potential difference between the plates is 2.0 V. What is the capacitance of this capacitor? a. 6.0 µ F b. 3.0 µ F c. 1.5 µ F d. 0.15 µ F 8. If the distance between the plates of a parallel plate capacitor is doubled, a. the capacitance also is doubled b. the capacitance remains the same c. the capacitance becomes three time
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
d. the capacitance becomes half its original value. 9. A 100 µ F capacitor is charged by connecting it across a 100 V battery. The charge on the capacitor plate is a. 0.1 C b. 0.01 C c. 0.001 C d. 0.0001 C 10. If a dielectric is introduced between the plates of a parallel plate capacitor. Which of the following statements is not true? a.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/01/2011 for the course PHY 2049 taught by Professor George during the Spring '11 term at Edison State College.

Page1 / 6

Practice_Test_3 - Practice Test 3 1. Two metal plates...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online