Equivalent Resistance of a System of Resistor

Q. The potential difference between two points is 35V and the resistance of the wire connecting the two points is $35\Omega$. The current in the circuit is ___ A.

Q.

Find the value of $‘I^{\prime }$ for the following circuit.

1. $1A$
2. $10A$
3. $\frac{1}{16}A$
4. $\frac{1}{8}A$

Q.

What is the equivalent resistance in the given circuit?

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

Q.

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

1. True
2. False

Q. Four wires each of same length, diameter and material are connected to each other to form a square. If the resistance of each wire is R, then equivalent resistance across the opposite corners is:

1. R/4

2. none of the above

3. R/2

4. R

Q.

Three resistances each of 4 Ohm are connected in the form of an equilateral triangle. The effective resistance between any two corners is:

1. Ohm

2. Ohm

3. 8 Ohm

4. 12 Ohm

Q.

Two resistors $2\Omega$ and $5\Omega$ are connected in series with a $7V$ battery. Find the potential difference across the $5\Omega$ resistor.

1. $2V$

2. $7V$

3. $5V$

4. $1V$

Q.

What are the ammeter (A) and voltmeter (V) readings in the circuit?

1. $0A,0V$

2. $10A,15V$

3. $0.6A,6V$

4. $1.2A,6V$

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

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

3. 4 Ohm

4. 2 Ohm

Q.

The equivalent resistance between A and B is:

1. 0.5

2. 1

3. 2

4. 4