Advertisements
Advertisements
प्रश्न
The internal resistance of a 2.1 V cell which gives a current of 0.2 A through a resistance of 10Ω is ______.
विकल्प
0.2 Ω
0.5 Ω
0.8 Ω
1.0 Ω
MCQ
उत्तर
The internal resistance of a 2.1 V cell which gives a current of 0.2 A through a resistance of 10Ω is 0.5 Ω.
shaalaa.com
Electric Cells and Batteries
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
What do you mean by internal resistance of a cell?
Explain the determination of the internal resistance of a cell using voltmeter.
Three identical lamps each having a resistance R are connected to the battery of emf as shown in the figure.
Suddenly the switch S is closed.
- Calculate the current in the circuit when S is open and closed.
- What happens to the intensities of the bulbs A, B and C.
- Calculate the voltage across the three bulbs when S is open and closed.
- Calculate the power delivered to the circuit when S is opened and closed.
- Does the power delivered to the circuit decrease, increase or remain same?
A cell supplies a current of 0.9 A through a 2 Ω resistor and a current of 0.3 A through a 7 Ω resistor. Calculate the internal resistance of the cell.
Determine the current flowing through the galvanometer (G) as shown in the figure.
