The attraction is the real proof of an object being charged.
a) True
b) False
The attraction is the real proof of an object being charged. Read More »
a) Increases slightly by a factor of 9.11*10-31 kg
b) Decreases slightly by a factor of 9.11*10-31 kg
c) Remains the same
d) May increase or decrease
If an object is positively charged, theoretically the mass of the object ______ Read More »
a) Gold is easily available in nature
b) Gold is malleable
c) Gold is conducting in nature
d) Gold is cheap
Why is gold used in the Gold-leaf electroscope? Read More »
a) It doesn’t diverge at all
b) It diverges momentarily
c) The plates give a proper divergence
d) The degree of divergence increases and decreases repeatedly
a) Static electricity is induced only on insulators while brass is conducting
b) The induced static charge flew through his hand and body to the ground
c) The static charge was not produced at all
d) It is not possible to induce static electricity by friction
a) Only to detect the presence of charge
b) To detect the presence of charge as well as its nature (positive or negative)
c) To measure the surface charge density
d) To measure current
Gold-leaf electroscope can be used _______ Read More »
a) 3*109
b) 3*108
c) 1.602*10-19
d) 2*109
1 Coulomb = ________ Electro Static Unit. Read More »
a) 6.25*1021
b) 6.25*1020
c) 6.25*1025
d) 6.25*1023
Number of electrons in 1 Coulomb charge is _________ Read More »
a) Attract each other with the same amount of force
b) Repel each other
c) Attract each other with less amount of force
d) Don’t attract or repel
a) 4.8*10-14 Coulomb
b) 6.4*10-15 Coulomb
c) 5*10-14 Coulomb
d) 3.2*10-10 Coulomb
Which among the following cannot be the charge of a charged body? Read More »