Advertisements
Advertisements
प्रश्न
Give a reason for the following.
One should not use an umbrella while crossing an open field during thunderstorm.
Advertisements
उत्तर
Reason:
- Carrying an umbrella is not advisable during a thunderstorm.
- As the rod of the umbrella and its supporting wires are made up of metals.
- Thus during a thunderstorm, the conducting object should be avoided.
APPEARS IN
संबंधित प्रश्न
Three resistors of resistances R1 , R2 and R3 are connected (i) in series, and (ii) in parallel. Write expressions for the equivalent resistance of the combination in each case.
Explain the construction and working of an Telephone.
Water can conduct electricity.
A cell, a resistor, a key and ammeter are arranged as shown in the circuit diagrams of Figure. The current recorded in the ammeter will be
 |
 |
 |
| (i) | (ii) | (iii) |
Which of the following solutions will not make the bulb in figure?
Which of the following precautions need not be taken while using electric gadgets/appliances/circuit?
Why is an electric fuse required in all electrical appliances?
Draw the symbols of the following circuit components.
Electric bulb
Electricity produced on rubbing is ______.
Choose from the options a, b, c and d given in the following figure which shows the correct direction of current.
