Question 1 :
What is the maximum resistance which can be made using five resistors each of $\frac{1}{5}\Omega$ ?

Question 2 :
An electric iron consumes energy at a rate of 840 W when heating is at the maximum rate and the voltage is 220 V. What is the resistance when heating is at maximum rate?

Question 3 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19d38273b230584979bc3.jpg' /> In the above figure, an electric lamp, whose resistance is 20 Ω, and a conductor of 4 Ω resistance are connected to a 6 V battery. Calculate the potential difference across the electric lamp.

Question 4 :
Which of the following terms does not represent electrical power in a circuit?

Question 8 :
How is a voltmeter connected in the circuit to measure the potential difference between two points?