Electric Current and Its Effects Questions and Answers - 1
Question: 1
Joules law is
(A) H = IR2t
(B) H = I2Rt
(C) H = IRt
(D) H = IRt2
Ans: B
H = I2Rt
Question: 2
The unit of potential difference is
(A) Ampere
(B) Ohm
(C) Volt
(D) Joule
Ans: C
Volt
Question: 3
1 ampere is equal to
(A) 1 Farad
(B) 1 Coulomb sec
(C) 1 Ohm
(D) 1 Coulomb
Ans: B
1 Coulomb sec
Question: 4
1 H.P. equals
(A) 647 watts
(B) 746 watts
(C) 1000 watts
(D) 500 watts
Ans: B
746 watts
Question: 5
Electrolytes are usually in the form of
(A) Plasma
(B) Gases
(C) Solids
(D) Liquids
Ans: D
Liquids
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