Easy 0 likes

Question

What is now used in electrical circuits instead of fuse wire?

WBBSE Class X Physical Science Current Electricity 01 Mark 2025

Answer

MCB / Miniature circuit breaker

Related Questions

More WBBSE Easy level questions

1/12
Easy
Q. Which one of the following is the unit of electrical energy? (a) Watt (b) Ohm...
A. (c) Kilowatt-hour Explanation: Electrical power is defined as work done per unit...
Easy
Q. The characteristics of a fuse wire are: (a) high resistance, low melting point (b) low...
A. a) high resistance, low melting point Explanation: A fuse is a short...
Moderate
Q. State the resistance of 220 V – 100 W bulb
A. Power (P) = Resistance (R) = = = = 484 Ω
Easy
Q. What type of lens is used as a magnifying glass?
A. Convex lens Explanation: Convex lens forms virtual, erect, magnified image for objects...
Easy
Q. Name the greenhouse gas discharged from a refrigerator.
A. CFC / HFC
Easy
Q. Which layer of atmosphere is susceptible to storm and rain?
A. Troposphere Explanation: Troposphere is the lowest layer nearest to Earth's surface, where...
Easy
Q. Which metal is used as catalyst in Haber’s process for preparation of ammonia?
A. The metal used as a catalyst in the Haber’s process for the...
Easy
Q. Which gas is produced at the cathode during electrolysis of acidified water?
A. Hydrogen. Explanation: In electrolysis of acidified water with Pt electrodes, H⁺ ions...
Easy
Q. State True or False: Electrolysis always involves the process of oxidation-reduction.
A. True. Explanation: Electrolysis drives chemical reactions using electrical energy, involving oxidation at...
Easy
Q. Which type of mirror produces virtual, diminished and erect image?
A. (c) Convex mirror Explanation: A convex mirror always forms an image which...
Easy
Q. Which parameter remains unaltered during refraction of light?
A. (c) Frequency Explanation: During refraction, a light ray bends because its speed...
Easy
Q. The coefficient of thermal conduction depends on
A. (b) property of the material of the conductor