Cells, EMF, Internal Resistance
Cells, EMF, Internal Resistance: Overview
This Topic covers sub-topics such as Electromotive Force, Electric Cell, Potential Difference across Battery Terminal in Open Circuit and, Potential Difference across Terminals of Battery Getting Discharged
Important Questions on Cells, EMF, Internal Resistance
Calculate internal resistance in the following circuit.
What is the total potential difference between them?
What is the internal resistance of a battery if its emf is and the potential difference across its terminals is when a current of flows in the circuit when it is connected across a load?
Assertion: When a battery is short-circuited, the terminal voltage is zero.
Reason: In the situation of a short-circuit, the current is zero
The potential difference across the terminals of the cell when the battery is short-circuited is zero.
When a battery is short-circuited, the terminal voltage is zero
The terminal potential difference of a cell when short-circuited is _____.
The terminal potential difference of a cell when short-circuited is (E=EMF of the cell)
The terminal voltage of a cell in open circuit condition _____is its emf.
Clarify the difference in the following:
Electric conductor and voltage.
Chemical energy is converted into electrical energy with the help of _____(electric cell/electric motor).
Can the terminal voltage of cell be greater than the emf of a cell?
Which of these countries is NOT a member of ASEAN?
Which of the following is a key aspect of international trade?
Which company launched the first commercial mobile phone?
On which date did Mahatma Gandhi launch the Quit India Movement?
From which place did Mahatma Gandhi start his Salt March?
Which sector is directly linked to the communication industry in tertiary activities?
What is the ideal current ratio?
What is the formula for calculating the current ratio?
