Question # 1

Pitch of sound depends upon:

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Frequency

Amplitude

Intensity

Time period

the number of waves passing through a point in one second is called:

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time period

cycle

frequency

amplitude

Waves transfer:

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Energy

Wavelength

Velocity

frequency

When an electric current passes through a conductor, which field is produced around it?

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Electric field

Magnetic field

Gravitational field

Electrostatic field

Floppy has a storage capacity

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4-5 MB

3-4 MB

1-3 MB

3-6 MB

In SI the unit of charge is:

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Joule

Volt

Coulomb

Watt

According to Coulomb's law , what happens to the attraction of two oppositely charged objects as their distance of separation increases?

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Increase

Decreased

remain unchanged

can not be determined

How Galvanometer is connected in circuit to detect current?

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In Series

In Parallel

Fixed

Variable

Capacitors are mainly used for radio frequency tuning:

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Paper capacitor

Air capacitor

Mica capacitor

Electrolytic capacitor

The product of frequency and time period is equal to:

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v

0

1

L

Sound waves having frequency lower than 20 Hz are called:

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Ultrasonic

Infrasonic

Audible

Echo

1 bel=

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0.1 dB

10 dB

100 dB

0.01 dB

According to Ohm's law V =________

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I²R

IR²

IR

I/R

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