Question

1)A conductor of resistance 10 ohm is connected to a cell of e. m.f 2v. The current flowing through the conductor is
a) 2A
b)0.2A
c)20A
d) 5A

2) A current of 0.5 a flow through a conduction in 2 seconds. How many electrons flow through the conductor from one end to the other during this time?
a)
$6 \times 10 {}^{18}$
b)
$0.6 \times 10 {}^{18}$

C)
$6.52 \times 10 {}^{18}$
d)
$6.25 \times 10 {}^{18}$
3)15J of work is done in moving 1 C
Of charge from infinity to a point. The potential at that point is
a) zero
b) 1/30v
c) 10v
d)15v

4)The magnitude of charge of an electron is
a)
$4 \times 10 {}^{ - 19}$
b)
$2.6 \times 10 {}^{ - 19}$
C)
$1.6 \times 10 {}^{ - 19}$
d)
$1.6 \times 10 {}^{ 19}$

5)A current of 0.1 A flows through a conductor of 10 ohm. The potential difference across the ends of the conductor is
a) 10v
b)100v
c)1v
d)0.1v

Please help me in these options. This is 10th class physics lesson electricity







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Answer 1

Answer:

b) 0.2 A

Explanation: