Resistors

Q. Resistors can be used in both AC and DC circuits whereas inductors can only be used in DC circuit.

1. True
2. False

Q.

Why current flowing through each resistor in series connection equal ?

Q.

In a series combination, the current flowing through all the resistors is the same.

1. False

2. True

Q.

Please explain me the use of rheostat and the types of rheostat.

Q. why can not we use DC current instead of using AC current after it reaches our home appliances using diode

Q.

Define resistor and insulator and factors of resistance

Q.

What is the part of an electric circuit used to limit the amount of electric current flowing through it?

1. Diode

2. Thermistor

3. Resistor

4. Capacitor

Q. The effective resistance in series combination is
(A) smaller than the largest resistance (B) smaller than the smallest resistance
(C) larger than the largest resistance (D) None of these.

Q.

State true or false

In a series connection, the current flowing through all the resistors is the same.

1. True
2. False

Q.

A 12 W resistor is connected in series with a cell of emf 1.5 V and negligible internal resistance (or terminal voltage 1.5 V). How must a 4 W resistor be introduced in the circuit, so that the current drawn from the cell is 0.5 A?

1. 4Ω must be connected in parallel to 12Ω

2. 4Ω must be connected in parallel to the battery

3. 4Ω must be connected in series to the battery

4. 4Ω must be connected in series to 12Ω

Q. In the figure below, two resistors are kept in a single circuit. The diagram shows connection among the resistors.

1. parallel
2. series
3. complete

Q. State true or false.
Current through all the resistors in this question is same.

1. False
2. True

Q.

State true or false.

In a series connection, the current flowing through all the resistors is the same.

1. True
2. False

Q.

In a series connection, the current flowing through all the resistors is the same.

1. True
2. False

Q. In a parallel circuit:

1. Current splits into different branches

2. Resistance is more than the series circuit

3. Voltage is different across all branches

4. Current is same across all branches

Q. The function of an ___ is to regulate the electric current as the need be, without the loss of power.

Q. In a parallel connection, the current has ______ path(s).

1. single
2. multiple
3. reverse
4. no

Q.

what is air gap and its resistance ?

Q.

What is the equivalent resistance in the given circuit?

1. $35\Omega$
2. $560\Omega$
3. $400\Omega$
4. $70\Omega$

Q. In a parallel circuit:

1. Current splits into different branches

2. Current is same across all branches

3. Voltage is different across all branches

4. Resistance is more than the series circuit

Q. In the circuit shown in Fig. 6.44 the galvanometer G shows zero deflection. If the batteries A and B have negligible internal resistance, the value of the resistor R will be

1. 1000$\Omega$
2. 500$\Omega$
3. 100$\Omega$
4. 200$\Omega$