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Q 1/10
Score 0
A 6 microfarad capacitor, initially uncharged, is connected to the terminals of a 9-V, battery. What total amount of charge flows through the battery?
120
1.5 micro farads
54 microfarads
54 farads
1.5 farads
Q 2/10
Score 0
A circuit consists of a 6 micro farads capacitor (C1), a 12 micro farads capacitor (C2) and a 12 V battery. What is the charge on each capacitor plate?
120
Q1=2 micro farads and Q2=1 micro farads
Q1=1/2 micro farads and Q2=1 micro farad
Q1=6 micro farads and Q2=12 micro farads
Q1=72 micro farads and Q2=144 micro farads
10 questions
Q.
A 6 microfarad capacitor, initially uncharged, is connected to the terminals of a 9-V, battery. What total amount of charge flows through the battery?
1
120 sec
Q.
A circuit consists of a 6 micro farads capacitor (C1), a 12 micro farads capacitor (C2) and a 12 V battery. What is the charge on each capacitor plate?
2
120 sec
Q.
Capacitance increases with
3
30 sec
Q.
If the voltage across a parallel-plate capacitor is doubled, its capacitance
4
30 sec
Q.
A parallel plate capacitor consists of two plates with a total surface area of 100 cm2. What will be the capacitance in pico-Farads, (pF) of the capacitor if the plate separation is 0.2 cm, and the dielectric medium used is air.
5
300 sec
Q.
Which of the following statements regarding dielectrics is not true?
6
45 sec
Q.
If a dielectric material, such as Teflon, is placed between the plates of a parallel-plate capacitor without altering the structure of the capacitor. How is the capacitance affected?
7
45 sec
Q.
A dielectric material, such as Teflon, is placed between the plates of the parallel-plate capacitor without altering the structure of the capacitor. The charge on the capacitor is held fixed. How is the voltage across the capacitor affected?
8
45 sec
Q.
The voltage applied across a given parallel-plate capacitor is doubled. How is the energy stored in the capacitor affected?
9
45 sec
Q.
A capacitor is constructed from two conductive metal plates 30cm x 50cm which are spaced 6mm apart from each other, and uses dry air as its only dielectric material. Calculate the capacitance of the capacitor.
