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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
When charged particle is projected perpendicular to a uniform magnetic field its trajectory is
Question # 2
(CRO) Cathode ray oscilloscope is a device used for high speed
Question # 3
A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
Question # 4
Avo-meter is used of measure the
Question # 5
The magnetic field inside a solenoid can be increased by:
Question # 6
The unit of magnetic flux is
Question # 7
Resistance is measured in
Question # 8
A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is
Question # 9
Method "lamp and scale arrangement" used to measure the
Question # 10
It is customary represent a current flowing towards the reader by a symbol
Question # 11
A voltmeter is used to measure the
Question # 12
The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by
Question # 13
Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:
Question # 14
The strength of magnetic field around the current conductor is
Question # 15
How many number of anodes used in electron gun
Question # 16
Strength of magnetic field is measured in SI units, in:
Question # 17
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 # 18
Centripetal force for electron is given by
Question # 19
Magnetic lines of force:
Question # 20
Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:
Question # 21
If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field:
Question # 22
The current in microamperes required to produce one millimeter deflection on a scale placed one meter away from the mirror of the galvanometer, defined the sensitivity of
Question # 23
'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?
Question # 24
A beam of electrons is provided by an
Question # 25
A relationship between Gauses of magnetic induction and Tesla(T) is given by
Question # 26
A long wire wound tightly on a cylindrical core is called:
Question # 27
The force acting on a charge moving in a magnetic field
Question # 28
The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by
Question # 29
A resistance used in voltmeter is called
Question # 30
magnetic field is a:
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Biology Chapter 1 - Answers Mode
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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.
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