Maharashtra (English Medium) Std 10 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
Three resistance 20 Ω, 25 Ω and 30 Ω are connected in parallel, find the effective resistance of the circuit?

(A) 8.108	(B) 9.109
(C) 7.107	(D) 6.106

Question-2
If potential difference across the ends of a conductor is V and the current flowing through it is I, then the voltage is given by

(A) I² R	(B)
(C)	(D) IR

Question-3
What is the resistance of an ideal voltmeter?

(A) Low	(B) High
(C) Infinity	(D) Zero

Question-4
Which of the following materials conduct maximum electricity ?

(A) Ebonite	(B) Manganin
(C) Manganese	(D) Nichrome

Question-5
Which of the following diagram represents a variable resistance ?

(A)	(B)
(C)	(D)

Question-6
What is the relation between resistance (R) of a wire and its radius (r) ?

(A)	(B)
(C)	(D)

Question-7
What will be the ratio of the effective resistance of 3 resistances, if they are connected in series and then in parallel ?

(A) R	(B) R²
(C) 9	(D) 1

Question-8
The alloy, nichrome is made up of

(A) Nickel, Chromium, magnesium and iron	(B) Iron, nickel, cadmium and magnesium
(C) Chromium, nickel, iron and manganese	(D) manganese, Nickel magnesium and iron

Question-9
Find the resistance of a conductor if 0.32 A current is passing through it and a potential difference of 64 V is applied across it.

(A) 199 Ω	(B) 200 Ω
(C) 201 Ω	(D) 202 Ω

Question-10
Current is expressed in

(A) Volt	(B) Ohm
(C) Ampere	(D) Coulomb

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Std 10

Maharashtra (English Medium)

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