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ECAT Pre General Science Physics Chapter 14 Electromagnetism Online Test
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Total Questions30
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Time Allowed30
ECAT Pre General Science Physics Chapter 14 Electromagnetism Online Test
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Question # 1
A voltmeter is used to measure the
Question # 2
NmA-1 is commonly called:
Question # 3
The permeability of free space is measured in:
Question # 4
Electron gun consist of
Question # 5
A current carrying conductor sets up its own:
Question # 6
In the expression of force experienced by electron, the direction of both v and B are
Question # 7
A shunt resistance parallel to the galvanometer is used to convert it into
Question # 8
When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be
Question # 9
'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?
Question # 10
Galvanometer is a device used for the detection of
Question # 11
The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by
Question # 12
Which is modified form of galvanometer
Question # 13
the current is pass
through the straight wire. The magnetic field established around it has its
lines of force:
Question # 14
Magnetic flux and flux density are related by
Question # 15
Magnetic induction is also called as:
Question # 16
The voltage increases linearly with
Question # 17
A solenoid is a coil of wire which is:
Question # 18
The SI unit of flux density is
Question # 19
The e/m of an electron moving in a circular path in a magnetic field is equal to
Question # 20
The force acting as one meter length of the conductor placed at right angle to the magnetic field, when one A current is passing through it, defines the
Question # 21
To convert galvanometer into ammeter we connect
Question # 22
The unit of flux density is also given by
Question # 23
Tesla is the unit of
Question # 24
The torque per unit twist of coil is called
Question # 25
A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is
Question # 26
A full-scale deflection is obtained in a galvanometer with a current of few
Question # 27
A long wire wound tightly on a cylindrical core is called:
Question # 28
The most suitable material for permanent magnet is
Question # 29
The magnetic field outside the solenoid due to current is
Question # 30
When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is
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Biology Chapter 1 MCQ - PDF
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Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.