Equivalent Resistance of a System of Resistor

Q.

Define one ohm. A resistance of 6 ohms is connected in series with another resistance of 4 ohms.
A potential difference of 20 volts is applied across the combination.
Calculate the current through the circuit and potential difference across the 6 ohm resistance. [5 MARKS]

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

1. Single
2. No
3. Multiple
4. Reverse

Q. In the network shown in figure, each resistance is $R$.The equivalent resistance between $A$ and $B$ is :

1. $\frac{3R}{4}$
2. $\frac{7R}{12}$
3. $\frac{4R}{3}$
4. $\frac{5R}{6}$

Q.

Find the equivalent resistance between A & B in the circuit given below.

1. $49\Omega$
2. $16.5\Omega$
3. $8.5\Omega$
4. $18\Omega$

Q. "In the definite physical situation, the electric current flowing through the conductor is directly proportional to the potential difference applied across it". To verify this law, in which of the following circuit diagram are ammeter and voltmeter connected correctly?

1. R
2. Q
3. P
4. S

Q.

Question 33
How will you conclude that the same potential difference (voltage) exists across three resistors connected in a parallel arrangement to a battery?

Q.

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

1. Single
2. Multiple
3. No
4. Reverse

Q. Parallel combination is a way to increase equivalent resistance.

1. True
2. False

Q.

A wire of resistance $6\Omega$ is cut into three equal pieces, which are joined to form a triangle. The equivalent resistance between any two corners of the triangle is:

1. $2\Omega$

2. $\frac{3}{4}\Omega$

3. $4\Omega$

4. $\frac{4}{3}\Omega$

Q.

State true or false

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

1. True
2. False

Q.

State true or false

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

1. True
2. False