Q.No.1: - Tick the correct answer. Mark 10

(i) Which type of energy is stored in a cell?

(a) Heat energy
(b) Potential energy (c)
Kinetic Energy (d) Chemical energy

(ii) The pattern of magnetic field formed around a straight
conductor is

(a) Circular
(b) elliptical (c)
bar magnetic (d) non of these

(iii) We can find resistance from the Ohm law by using the
relation

(a) R=VI
(b) R=V/I (c) V=IR (d) No of these

(iv) When the resistors are connected in series then the
equivalent resistance will be equal to the

(a) sum of resistances
(b) sum of the reciprocal of all the resistances (c) average of the
resistances (d) zero

(v) the units of conductivity is

(a) (ohm.m)

^{-1 }(b) mho.m^{-1}(c) m.ohm^{-1}(d) both (a) and (b)
(vi) The resistivity is directly proportional to the

(a) Square of the area of the conductor (b) inverse of the
resistance of the conductor

(c) Inverse of length of conductor (d) current of the
conductor

(vii) On the resistor the silver band shows the tolerance of

(a) 5%
(b) 7%
(c) 10%
(d) 20%

(viii) The power dissipation in a resistor is equal to

(a) P=VI
(b) P=V

^{2}I (c) P=R^{2}I (d) P=V^{2}/I
(ix) The resistance of a resistor with color code first
“red” second “violet” third “orange” forth “silver”

(a) 47000 Ω
(b) 4000 Ω (c)
2700 Ω (d) 3700 Ω

(x) The color code of “Yellow” on a resistor is

(a) 1
(b)4
(c)8
(d) 3

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