Question

5. A capacitor stores energy in

(a) Magnetic field

(b) Electric field

(c) Electromagnetic field

(d) All

6. To get Thevenin’s voltage, one has to

(a) Short the load resistance

(b) Open the load resistance

(c) Short the voltage source

(d) Open the voltage source

7. Superposition theorem is not valid for

(a) Current responses

(b) Voltage responses

(c) Linear responses

(d) Power responses

8. When a 1.2 kΩ resistor, 100 Ω resistor, 1 kΩ resistor and 50 Ω resistor are in parallel, the total

resistances is less than

(a) 1.2 kΩ

(b) 100 Ω

(c) 1 kΩ

(d) 50 Ω

9. Kirchhoff’s current law is based on

(a) Law of conservation of energy

(b) Law of conservation of electric charge

(c) Law of conservation of current

(d) Law of conservation of power

10. A practical voltage source is usually represented by

(a) A resistance in series with an ideal current source

(b) A resistance in parallel with an ideal current source

(c) A resistance in series with an ideal voltage source

(d) A resistance in parallel with an ideal voltage source​

Answer 1

Answer:

A charged capacitor stores energy in the electrical field between its plates. As the capacitor is being charged, the electrical field builds up. When a charged capacitor is disconnected from a battery, its energy remains in the field in the space between its plates.