3. Give reasons:
a. Fused bulb placed in a circuit does not glow.
b. The handles of screwdriver used by an electrician for repair work usually have a plastic or rubber cover over it.
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3. Give reasons:
a. Fused bulb placed in a circuit does not glow.
b. The handles of screwdriver used by an electrician for repair work usually have a plastic or rubber cover over it.
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Answer:
a) current flow is broken
b) to prevent an electric shock
Answer:
A. Fused bulb placed in a circuit not glow because the path of electricity is broken
B. the handles of screwdriver used by an electrcian for repair work easily has a plastic or rubber cover on it so he does not get electric shock
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