In the figure Q-26 the potential at A is ________ when the potential at B is zero.

Draw a circuit diagram for a circuit in which two resistors A and B are connected in series with a battery and a voltmeter is connected to measure the potential difference across the resistor A.

How can you appreciate the role of a small fuse in house wring circuit in preventing damage to various electrical appliances connected in the circuit?

Observe the circuit and answer the questions given below.

i Are resistors 3 and 4 in series?

ii. Are resistors 1 and 2 in series

iii. Is the battery in series with any resistor?

iv. What is the potential drop across the resistor 3?

v. What is the total emf in the circuit if the potential drop across resistor 1 is 6V?

If the resistance of your body is 100000 Ω that would be the current that flows in your body when you touch the terminals of a 12V battery?