Advertisements
Advertisements
प्रश्न
Observe figure.
![]() |
![]() |
A | B |
Which of these two circuits A or B shows the correct observation?
उत्तर
The electrons flow from the negative terminal towards the right terminal and then these electrons react with the potato and the end of the positive terminal which then turns the potato greenish blue. Hence, circuit A shows the correct observation.
APPEARS IN
संबंधित प्रश्न
A current of 1.5 A flows through a conductor for 2.0 s . What amount of charge passes through the conductor ?
Select the correct option:
Which of the following is the best conductor of electricity?
l-V graph is shown for a good conductor. What does the slope of the graph represent?
Give one example of a conductor.
Pure water is a good conductor of electricity.
Assertion (A): It is very easy for our body to receive electric shock.
Reason (R): Human body is a good conductor of electricity.
Picture based Question
Three conductors are joined as shown in the diagram
The current in conductor RS is 10 A. The current in conductor QR is 6 A. What will be the current in conductor PR
- 4 A
- 6 A
- 10 A
- 16 A
Explain why the bulb would not glow in the arrangement shown in Figure.
Wires made of ______ an electrical conductor, have very low resistance.
Insulators do not carry electric currents because they do not have free electrons.