Resistance of a System of Resistors

IMPORTANT

Resistance of a System of Resistors: Overview

This topic covers concepts, such as, Resistors in Series, Equivalent Resistance in Series Combination, Equivalent Resistance in Parallel Combination & Distribution of Current in Parallel Resistors etc.

Important Questions on Resistance of a System of Resistors

MEDIUM
IMPORTANT

In the circuit, shown in the figure, the ammeter reading is

Question Image

EASY
IMPORTANT

A wire is broken in four equal parts. A packet is formed by keeping the four wires together. The resistance of the packet in comparison to the resistance of the wire will be

HARD
IMPORTANT

Consider the following electric circuit
Question Image
1) Which two resistors are connected in series?
2) Which two resistors are connected in parallel?
3) If every resistor is 2 Ω, what current will flow in the circuit?

MEDIUM
IMPORTANT

The resistance of 5 Ω15 Ω20 Ω and 10 Ω are connected as shown in the circuit. Find the resultant resistance in the circuit.

Question Image

MEDIUM
IMPORTANT

If we connect two resistance in series then their equivalent resistance is 25 ohm and if we connect them in parallel then it is 4 ohm. What is the value of each resistance?

MEDIUM
IMPORTANT

How does a series electric circuit works?

MEDIUM
IMPORTANT

In the given network of resistors, find the equivalent resistance between the points A and B and between points A and D.

Question Image

MEDIUM
IMPORTANT

The equivalent resistance between points A and B in the circuit shown in the figure is,

Question Image

HARD
IMPORTANT

Find the equivalent resistance, Requ for the following resistor combination circuit.
Question Image

MEDIUM
IMPORTANT

Draw a circuit diagram of an electric circuit containing a cell, a key, an ammeter, a resistor of 4 Ω in series with a combination of two resistors (8 Ω each) in parallel and a voltmeter across parallel combination. Each of them dissipate maximum energy and can withstand a maximum power of 16 W without melting. Find the maximum current that can flow through the three resistors.

EASY
IMPORTANT

Seven resistors each having resistance R are connected to form a closed polygon. Find the equivalent resistance between the ends of any two sides.

MEDIUM
IMPORTANT

Derive an expression for the equivalent resistance for the following connection.

Question Image

HARD
IMPORTANT

Find the current drawn from the battery by the network of four resistors as shown in the figure

Question Image

EASY
IMPORTANT

Why is the current is same in series connection? If there are some resistors in series, will the current be different because i=qtand current may take more time to pass through the resistor? So will it change?

MEDIUM
IMPORTANT

Question Image
Calculate the total resistance of the circuit and find the total current in the circuit.

HARD
IMPORTANT

Question Image
In the above circuit, if the current reading in the ammeter A is 2 A, what would be the value of R1?

EASY
IMPORTANT

Five identical lamps are connected as shown in the figure. Which of the following statement is true?
Question Image

EASY
IMPORTANT

The _____ applied across the series combination of resistors is equal to the sum of potential differences across the individual resistors.

MEDIUM
IMPORTANT

Find the equivalent resistance between A & B in the following circuit.
Question Image

MEDIUM
IMPORTANT

Find the equivalent resistance between A & B in the following circuit.
Question Image