Fresh Yeast cells are good source of :
Vitamin-B
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Vitamin-B
Caffeine
Morphine
Typhoid is caused by :
Typhoid is caused by :
Salmonella typhi
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Pseudomonas sp.
Staphyoeoccus
Bacillus
If the distance between the two point charges become half then force between them becomes?
If the distance between the two point charges become half then force between them becomes?
four times
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remains same
half
double
The electric charge of 100 °C is 13cm apart from another charge 16.9°C electric force between them is?
The electric charge of 100 °C is 13cm apart from another charge 16.9°C electric force between them is?
900N
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9x107N
9x105N
9x106N
An electric field can deflect?
An electric field can deflect?
None of the Options are Correct
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glass rod and silk acquire a negative charge
X-rays
Neutrons
Two charges are placed at a certain distance. If the magnitude of each charge is doubled the force will become?
Two charges are placed at a certain distance. If the magnitude of each charge is doubled the force will become?
4 times of its original value
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8 times of its original value
1/8th of its original value
1/4th of its original value
The electric lines of force are?
The electric lines of force are?
imaginary
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physically existing everywhere
physically existing near the charges
depends upon case
A hollow metallic sphere of 8cm diameter is charged with 4 x 10 8C. The potential on its surface will be?
A hollow metallic sphere of 8cm diameter is charged with 4 x 10 8C. The potential on its surface will be?
9000 volts
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900 volts
90 volts
zero
Potential difference is the work done in moving unit positive charge form one point to another?
Potential difference is the work done in moving unit positive charge form one point to another?
against the electric intensity
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in the direction of electric intensity
in any direction
in the direction of electric flux
The value of the capacitance depends upon the?
The value of the capacitance depends upon the?
geometry of the capacitor
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density of the capacitor plates
thickness of the capacitor plates
voltage applied