7th Class Science Electric Current and Its Effects Question Bank Electric Current and Its Effects

  • question_answer
    DIRECTIONS: On the basis of, following diagram / picture answer the questions given below: The picture below shows a shop that caught fire because of a short circuit. Which of the following could have resulted in the fire? A. the shopkeeper used fuses and circuit breakers. B. the shopkeeper bought an energy-saving appliance. C. The shopkeeper did not replace his frayed and damaged wires. D. The shopkeeper plugged too many appliances into one socket.

    A) D only                         

    B) A and B only

    C) C and D only              

    D) B, C and D only

    Correct Answer: C

    Solution :

    Explanation: Frayed and damaged wires. Could cause a short circuit and lead to a fire. Plugging too many appliances into one socket could cause the socket to overheat and cause a fire.


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