6 v, 6.0Ω
2 v, 0.7Ω
2 v, 6.0Ω
6 v, 0.7Ω
Correct answer is B
Total energy in parred connection is equal to emt of one cell, = 2v but total internal resistance is given by
(1)/r = (1)/r1 + (1)/r2 + (1)/r3 = (1)/2 + (1)/2 + (1)/2 = (3)/2
∴ r = (2)/3 = 0.67Ω
A stroboscope can be used to make the wave appear …………. ...
If the angle of declination in a place is 10°E, calculate the true geographic bearing if the com...
A moving-coil meter with an internal resistance of 100Ω has a full-scale deflection when a cur...
When ultraviolet light is incident on certain metallic p articles are emitted. These particles ...
The thermometric substance of an absolute thermometer is ...