Question Text
Question 1 :
In the series combination of two or more than two resistances
(a) the current through each resistance is same.
(b) the voltage through each resistance is same.
(c) neither current nor voltage through each re-sistance is same.
(d) both current and voltage through each resis¬tance are same.
Question 2 :
Combine three resistors 5 Q, 4.5 Q and 3 Q in such a way that the total resistance of this combination is maximum
(a) 12.5 Q
(b) 13.5 Q
(c) 14.5 Q
(d) 16.5 Q
Question 5 :
The resistivity of alloy manganin is
(a) Nearly independent of temperature
(b) Increases rapidly with increase in temperature
(c) Decreases with increase in temperature
(d) Increases rapidly with decrease in temperature
Question 6 :
Siemen is the unit of:
(a) resistance
(b) conductance
(c) specific conductance
(d) None of these
Question 7 :
Ohm’s law is valid when the temperature of conductor is :
(a) very low
(b) very high
(c) varying
(d) constant
Question 8 :
1 kilowatt hour is commonly known as :
(a) unit
(b) 1 faraday
(c) 1 curie
(d) None of these
Question 9 :
How many joules are equal to I kWh ?
(a) 3.6 × 104
(b) 3.6 × 105
(c) 3.6 × 106
(d) None of these