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Physics

Physics
The unit of intensity of electric field is

Volt
N/c
N/m
J/c

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Physics
Two vectors are said to be equal if

Both magnitude and direction are same
Only their directions are same
Magnitudes are same but directions are opposite
Only their magnitudes are same

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Physics
Modem is used mostly for ?

A modern empty memory modules
Mostly for file system
Connecting to internet
All listed here

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Physics
Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to:

Hysteresis loss alone
Intense sunlight at noon
Both the heating effect of current and hysteresis loss
The heating effect of current alone

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Physics
Which of the following has the lowest frequency?

Gamma rays
Visible light
Ultra violet rays
Xrays

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Physics
Echolocation is an adaptation bats use to

Locate flowering plants
Find warm places for hibernation
All of these
Hunt insects in flight

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