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Physics · Question 551
The Lenz's law refer to
Induced current
Induced potential
Motional emf
All of these
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Correct answer: D
All of these
Physics · Question 552
Value of current in a short circuit is ______________:
Infinite
zero
minimum
maximum
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Correct answer: A
Infinite
Physics · Question 553
AC generator stops suddenly when:
External voltage overcomes the back emf
Torque of back emf exceeds the external torque
Resistance of the coil produces heat
Moment of inertia of the coil decreases
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Correct answer: B
Torque of back emf exceeds the external torque
Physics · Question 554
The unit of magnetic flux is:
NA-1m
NA-1m1
NA-2m-2
Tesla
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Correct answer: A
NA-1m
Physics · Question 555
What is the FPS unit of displacement:
kilometer
meter
Foot
pound
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Correct answer: C
Foot
Physics · Question 556
Which of the following substances cannot be emitted by radioactive substances during their decay?
protons
neutrions
helium nuclei
Electrons
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Correct answer: A
protons
Biology · Question 557
Human accumulated glycogen is an example of:
Phospholipid
Polysaccharides
Carbohydrates
Both B and C
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Correct answer: D
Both B and C
Biology · Question 558
Cellular organelles that interact with hydrogen peroxide are called:
Glyoxysomes
Lysosomes
Ribosomes
Peroxisomes
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Correct answer: D
Peroxisomes
Biology · Question 559
The spinal cord acts as a link between body parts and the:
Brain
Skull
Heart
Lungs
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Correct answer: A
Brain
Biology · Question 560
The area on the left hemisphere related to speech is called: