Balochistan MDCAT Past Paper 2023

If Cv denotes molar speak heat at constant volume and ΔT is the change in temperature then CvΔT gives:

  • Pressure
  • Volume
  • Internal energy
  • Entropy

A circuit that converts pulsating voltage of the rectifier to smooth voltage is known as

  • Filter
  • Generator
  • Choke
  • Transformer

 Two point charges, each of magnitude q are separated by a distance 2d. At a point mid-way between

  • E=0, V≠0
  • E≠0, V≠0
  • E≠0, V=0
  • E=0, V=0

 In British Engineering system, 1 Horse Power is:

  • 550 ft Pound/sec
  • 746 ft Pound/sec
  • 550 kilowatt hour
  • 550 watt

 Electric field lines are

  • Solid lines
  • Actual lines
  • Imaginary lines
  • Always curve lines

High frequency vibration is of:

  • 1000 Hz
  • 10 kHz
  • 1 KHz
  • 0.1 MHz

The magnetic flux through an area A in a uniform magnetic field B is given as

  • BA sinθ
  • BA tanθ
  • B.A
  • BA Cos2θ

The angle subtended at the center of a circle by an arc equal to 1/60th of a degree is called

  • One minute
  • One second
  • One steradian
  • One radian

What is the SI unit of conductivity

  • selmen m
  • mho – m-1
  • Ohm^-1 – m
  • mho-1 – m-1

The longest wavelength of Lyman series Is equal to

  • 9 / RH
  • 144 /7RH
  • 4/3RH
  • 1/RH

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