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Explanation: An electric fuse is a safety device that protects electrical circuits from excessive current. It contains a metal wire that melts when the current exceeds a specific threshold, breaking the circuit. This melting occurs due to the heating effect of the electric current.
The surface tension of water on adding detergent to it –
When do spring tides occur?
Which of the following is the best conductor of electricity?
What type of lens is used to correct myopia (nearsightedness)?
Which of the following statement is correct?
I. Magnetite is a natural magnet
II. A freely suspended magnet always aligns in N-S direction
Which type of mirror is used in car headlights?
A stone thrown upward with a speed ’u’ from the top of the tower reaches the ground with a speed ‘3u’. The height of the tower is-
Ball pen functions on the principle of :
Which of the following pair regarding sound is correct?
I. Loudness – depends on amplitude
II. Shrillness – depends on frequency
X-rays are
