Electric Components and Circuit Diagram

Q.

The path along which electric current flows is called?

Q.

Is Coulomb a SI unit

Q. The statement that is most correct about the following circuit is:

$A_1,A_2,\&A_3$ are readings of ammeter.

1. $A_3<A_2$
2. $A_1=A_2=A_3$
3. $A_1<A_2$
4. $A_1=A_3$

Q. A circuit with _________________ will glow the brightest (considering all the bulbs and cells to be identical).

1. one bulb and one cell
2. one bulb and two cells in series
3. two bulbs and one cell
4. three bulbs and one cell

Q. A ___ is an on-off device used for controlling current in an electric circuit.

1. fuse
2. capacitor
3. resistor
4. switch

Q.

The bulb in the circuit shown below does not glow.

Which of the following labelled part is responsible for this?

1. 2

2. 4

3. 3

4. 1

Q. Match the Column I with Column II.
\begin{tabular}{|l|l|l|l|} \hline \multicolumn{2}{|c|}{ Column I } & \multicolumn{2}{c|}{ Column II } \\ \hline (i) & An electric cell & (a) & (•) \\ \hline (ii) & Electric bulb & (b) \\ \hline (iii) & Resistance & (c) & \\ \hline (iv) & Plug key (or) switch (closed) & (d) & \\ \hline \end{tabular}

1. $i\to d,ii\to c,iii\to b,iv\to a$
2. $i\to b,ii\to c,iii\to d,iv\to a$
3. $i\to a,ii\to c,iii\to b,iv\to d$
4. $i\to d,ii\to b,iii\to c,iv\to a$

Q. Match the following types of switches with their characteristics.

1. One-way switch
2. Momentary switch
3. Operation flexibility

Q.

State the condition for the flow of electric current in an electrical circuit.

Q.

The given symbol is used for representing _______ in a circuit.

1. wires crossing without joining

2. a wire joint

3. a variable resistance

4. an electric bulb

Q. Potential difference is created in an electric circuit due to ______________.

1. bulb
2. conductor
3. electric cell
4. voltmeter

Q. The device that is used to make or break the electric circuit is known as a _________.

1. bulb
2. switch
3. cell
4. wire

Q. In an electrical circuit, ammeter is always connected in ____ with the load or the circuit.

1. parallel
2. parallel or series
3. series
4. neither parallel nor series

Q. A battery converts chemical energy into electrical energy.

1. True
2. False

Q.

The bulb in the circuit shown below does not glow.

Which of the following labelled part is responsible for this?

1. 4

2. 2

3. 1

4. 3

Q.

Which of the following shows the correct depiction of a circuit diagram?

1. Only P and R

2. Only Q and R

3. Only P and Q

4. All P, Q and R

Q. Identify the power source in the circuit.

1. 
2. 
3. 
4.