Question # 1

SI unit of capacitance is:

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Joule

Volt

Watt

Farad

In OR operation inputs are connected as:

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Series

Parallel

Both series or parallel

None of these

The direction of electric field lines due to positive charge is:

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A way from the charge

Towards the charge

Both a and b

None of these

In A.C. generator flux will be zero if coil is to the field.

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90^o

45^o

Parallel

Inclined

One byte is equal to:

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7 bits

5 bits

8 bits

9 bits

The instrument used to study the properties of waves is called:

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Ripple tank

Stroboscope

Pendulum

None of these

One micro coulomb charge is equal to:

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10^-3 C

10³C

10⁶C

10^-6C

Power of electric heater is:

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1500W

4750W

100W

50W

The commercial unit of electrical energy is:

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Joule

Watt

Kilowatt hour

Electron volt

Thye Water waves obey the laws of

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Reflection

Refraction

Diffraction

All of these

The loudness of a sound is most closely related to its:

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Frequency

Period

Wavelength

Amplitude

The advantages of electronic mail are:

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Fast communication

Cost free service

More efficient

All of these

The product of charge ‘q’ and potential difference is equal to:

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Power

Force

Capacitance

Energy

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