MCQ
Exposed Electric doorbell can be damaged by:
- AMechanical damage
- BHigh Electric currents
- CHumidity
- ✓All of the above
✓
Answer
Correct option: D.
All of the above
$(1).$ Mechanical Damage to metal gong or striker may hinder the working of the bell.
$(2).$ High electric currents may cause heating and burning of an electrical circuit.
$(3).$ Humidity may cause a short circuit between two unconnected wires, causing high electric currents and damage.
$(2).$ High electric currents may cause heating and burning of an electrical circuit.
$(3).$ Humidity may cause a short circuit between two unconnected wires, causing high electric currents and damage.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which is the major component of $\ce{CNG}$?
→A man walking on the street slips on a banana skin because:
Which of the following is not an application of the chemical effect of electric current?
What will happen if there is a vacuum just above one limb of the U-tube half filled with liquid as shown in figure?
Rayon is different from truly synthetic fibres because:
Which of the following is not a characteristic property of iron?
Some mustard oil is kept in a beaker. It will exert pressure:
All the living matter in a cell is called:
Which of the following plastic objects can be recycled?
$(A).$ Electric socket.
$(B).$ Polythene bag.
$(C). \ce{PVC}$ pipe.
$(D).$ Ashtray.
→$(A).$ Electric socket.
$(B).$ Polythene bag.
$(C). \ce{PVC}$ pipe.
$(D).$ Ashtray.
Two boys $A ($left side$)$ and $B ($right side$)$ are applying force on a block. If the block moves towards the right, which one of the following statements is correct?
→