- Its magnitude changes but the direction remains same
- both magnitude and direction change
- only the direction change
- neither change
- Turn off the power before replacing the bulb
- When an electrical appliance catches fire, first put out the fire with water, and then cut off the power
- Dry wet clothes directly on power lines
- When someone is found to be electrocuted, pull them away with their hands
- its length is increased to four times
- the acceleration due to gravity is doubled
- the mass of the bob is doubled
- the length of the pendulum and mass of the bob are doubled
- Infrared rays
- Ultraviolet rays
- X-rays
- Radio waves
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