Question
A battery of emf 12 V and internal resistance 4 ohm is
connected to a resistor. If the current in the circuit is 0.6 A, what is the resistance of the resistor? What is the terminal voltage of the battery when the circuit is closed?Solution
Emf of the battery, E = 12V Internal resistance of the battery, r = 4 ohm Current = 0.6 A so, I = E/(R + r) R + r = E/I = 12/0.6 = 20 ohm Therefore = 20 - 4 = 16 ohm Terminal voltage of resistor = V so, V = IR => 0.6 x 16 => 9.6 V
Who lives immediately above the floor on which Usha lives?
What is the age of the person who works for Hdfc?
How many persons visits after the one who visits Mumbai?
Who among the following likes Montblanc?
Who among the following person lives immediate above flat of G?
Who among the following person lives in flat 2 of floor 4?
There are six teachers in school, viz. Bhanu, Raghav, Abdul, Shekhar, Kunal and Devesh. Since a ch of the there is no games teacher in the school, each...
How many persons live between E and D?
Who among the Following has Yellow colour?
Who among the following got the lowest marks?
Relevant for Exams:
