MHT-CET | 2012

- Faraday
- Hertz
- Maxwell
- Tesla

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- 12π√LC
- 12π√LC
- 12π√CL
- 14π√LC

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- inductance and resistance are both high.
- inductance and resistance are both low.
- inductance is low and resistance is high.
- inductance is very high and resistance is negligible.

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- 1L√RC
- 1R√LC
- 1RL√C
- 1C√RL

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- 4:1
- 1:4
- 1:2
- 2:1

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- 3×109Hz
- 3.3×108Hz
- 3×107Hz
- 3×10−7Hz

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- Light rays
- X-rays
- Alpha rays
- Gamma rays

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- Sound
- Greater than that of sound
- Light
- Greater than that of light

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- 0
- 1
- 0.8
- 12

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- its electric field
- its coil
- its magnetic field
- both electric and magnetic fields

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- Low voltage at low current into high voltage at high current
- High voltage at low current into low voltage at high current
- High voltage at high current into low voltage at low current
- Electrical power into mechanical power

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- primary are less.
- primary are more.
- primary and secondary are equal.
- secondary are infinite.

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(where, I0 is the value of peak current)

- I02π
- I0√2
- 2I0π
- √2I0

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- Brightness may increase or decrease depending on the frequency of the AC
- There is no change in the brightness of the lamp
- The lamp shines more brightly
- The lamp shines less brigthly

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- energy is not wasted.
- voltage increase.
- choke coil is cheap.
- current increases.

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- Decrease to one-half of the original value
- Decrease to one-fourth of the original value
- Decrease to twice the original value
- Increase to twice the original value

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- X-rahs
- UV region
- Visible region
- Infrared region

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- the motor has picked up maximum speed.
- the motor has just started moving.
- the motor has just been switched off.
- the speed of motor is still on increase.

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- Inductive
- Capacitive
- Partially inductive and partially capacitive
- Resistive

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- rms value
- any value
- average value
- peak value

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- Amphere
- Ohm
- Weber
- Volt

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- Amplitude
- Time period
- Frequency
- Cycle

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- AC only
- DC only
- Both AC and DC
- High voltage only

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- 110 Cs−1
- 50 Cs−1
- 60 Cs−1
- 120 Cs−1

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- 5A
- 5√2A
- 5√2A
- 2.5A

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- Magnetic vector only
- Electric vector only
- Electric and magnetic vectors perpendicular to each other
- Parallel electric and magnetic vector

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- Zero
- 1 rms
- I√2
- 2I

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- is independent of time.
- varies directly with time.
- varies inversely with time.
- varies sinusoidaly with time.

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- AC circuits
- Half wave rectifier circuits
- DC circuits
- Both in AC and DC circuits

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- is in phase with the voltage
- is out of phase with the voltage
- leads the voltage by π/2
- lags behind the voltage by π/2

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