1 Ω =?
a) 1 I/V
b) 1V/1A
c) 1 V/T
d) 1 V/t
The unit of resistance is omega (Ω) which is a ……….letter.
a) Greek
b) Spanish
c) Latin
d) English
The resistance of wire is one ohm if potential of one volt is applied across its ends and causes a current of ……..ampere to flow through it.
a) one
b) two
c) three
d) four
Which of the following conductor wire has lowest resistance?
a) iron
b) aluminum
c) copper
d) platinum
The resistance of a particular wire depends on all the ……physical characteristics.
a) two
b) three
c) four
d) five
Explanation: 1. Length of wire, 2. Type
of material and 3. Cross-sectional area
in addition to the above three, temperature can also affect the resistance
Which of the
following characteristic/s affect/s the resistance to flow of current?
a) length of wire
b) type of material
c) cross-sectional area
d) all of these
