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Physics

Physics
An instrument that records earthquakes is

Ergograph
Ediograph
Thermograph
Seismograph

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Physics
One watt-hour is equivalent to

6.3 x 103 J
3.6 x 103 J
6.3 x 10-7 J
3.6 x 10-3 J

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Physics
The material used in electric heater is

Nichrome
Tungsten
Steel
Brass

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Physics
The base of an electric iron is brightly polished mainly

To make it more durable
To make it rust-proof
To make it smooth and frictionless
To reduce heat loss by radiation

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Physics
Fleming's right hand rule is used to find the direction of the

Induced current
Alternate current
Direct current
Actual current

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Physics
A microscope used in pathological laboratories forms

Diminished, virtual and erect image
Magnified, virtual, erect image
Magnified, virtual and inverted image
Diminished, real and erect image

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