Advertisements
Advertisements
Question
Electric cells having 2V potential difference each have been connected in the form of a battery. What will be the total potential difference of the battery in both cases?
Advertisements
Solution
- Total potential difference = 2 + 2 + 2 = 6 V
- Total potential difference = 2 + 2 + 2 + 2 = 8 V
RELATED QUESTIONS
By what other name is the unit joule/coulomb called?
Why do electricians wear rubber hand gloves while working with electricity?
What is the ratio of potential difference and current known as?
For the circuit shown in the diagram below:
What is the value of:
(i) current through 6 Ω resistor?
(ii) potential difference across 12 Ω resistor?
Calculate the power used in the 2 Ω resistor in each of the following circuits: a 4 V battery in parallel with 12 Ω and 2 Ω resistors.
The voltage across a 3Ω resistance is 6 V. How large is the current? What is
the resistance of a filament lamp when a voltage of 3 V across it causes a
current of 0.5 A?
Find the resistance of a conductor if the electric current flowing through it is 0.35 A when the potential difference across it is 1.4 V.
A 10 m long wire of a particular material is of resistance 5Ω What will be the resistance if the wire is doubled itself.
A cylindrical conductor of length l and uniform area of cross section A has resistance R. Another conductor of length 2l and resistance R of the same material has area of cross section.


