you are given three resistors of 10 ohm 10 ohm and 20 Ohm a battery of EMF 2.5 volt one key an ammeter a voltmeter. draw a circuit diagram showing the correct connection of all given components such that voltmeter connected across the ends of 20 ohm resistor give the reading of 2.0 volt.

Hoe can three resistors of resistance 2 ohm, 3 ohm and 5 ohm be connected to get a total resistance of 0.9 ohm?

Hoe can three resistors of resistance 2 ohm, 3 ohm and 5 ohm be connected to get a total resistance of 3.875 ohm?

Draw a circuit diagram of an electric circuit containing a cell, a key, an ammeter, a resistor of 2 ohms in series with a combination of two resistors (4 ohms each) in parallel and a voltmeter across the parallel combination. Will the potential difference across the 2 ohms resistor be the same as that across the parallel combination of 4 ohms resistors? Give reasons.

In the given figure R_1=5 ohm , R_2=20 ohm , R_3=10 ohm , R_4=20 ohm and a 10 V battery is connected to the arangement. Calculate the total resistance in the circit?

A cell of emf 2 V and internal resistance 0.1Ohm is connected to a 20 Ohm resistor .What is the current in the circuit ?

In the given figure R_1=5 ohm , R_2=20 ohm , R_3=10 ohm , R_4=20 ohm and a 10 V battery is connected to the arangement. Calculate the total current flowing in the circuit.

A resistor of resistance 20 ohm is connected across a potential difference of 20 V for one minute. Calculate the heat produced in the resistor.