Series Circuit

Q.

Is the current is same in the series resistor circuit?

Q.

Three bulbs A, B, and C are connected in a circuit as shown in Figure. When the switch is ‘ON’

Fig. \( 14.2 \)

Q. In series connection and parallel connection what is the ratio of potential difference across A &B and how?

Q. How does a switch behave when it is ON condition?

1. Source
2. Load
3. Conductor
4. Insulator

Q. What is meant by series combination? Illustrate this with the help of diagram. [3 Marks]

Q.

"In a series circuit, load is connected one after the other such that there is a single path for current."

1. True

2. False

Q.

a 12ohm resistor and a 0.21H inductor are connected in series to an ac source operating at 20V, 50cycle/second . the phase angle between current and source voltage is

1) 30degree

2) 40

3) 80

4) 90

Q.

In a circuit with one bulb, another bulb is added in series. What happens to the bulbs when current is passed?

1. They do not glow.

2. They glow less brightly.

3. They get fused.

4. They glow more brightly.

Q.

A series circuit is also known as

1. all circuit

2. none circuit

3. all or none circuit

4. individual circuit

Q.

What can be said about the diagram given below?

1. Bulbs in series

2. Switch in series

3. Bulbs in parallel

4. Undetermined

Q. In which of the following kind of electric circuit, the sum total of resistances increases?

1. Parallel connection

2. Series connection

3. Either (a) or (b)

4. Both (a) or (b)

Q. There is a lamp and a resistor whose resistance are 18 and 6 ohms respectively, while the battery is 6 volt connected in series. Find the total resistance , current flowing in the circuit , potential difference across the lamp and resistor.