An ammeter of resistance 5Ω has a full-scale deflection...
An ammeter of resistance 5Ω has a full-scale deflection when a current of 50 mA flows in it. The value of the resistor required to adapt it to measure a current of 5 A is?
0.25Ω
5.00Ω
19.80Ω
0.05Ω
Correct answer is D
R = (igrg)/I-ig = (50 x 10-3 x 5)/5-(50 x 10-3) = (0.25)/4.95 = 0.0505 = 0.05Ω
What are the units of thermal conductivity? ...
The phenomenon that makes sound persist when its source has been removed is known as ...
Which of the following does NOT cause a reduction of the surface tension of water? ...
In the network shown above, determine the potential difference across the 5µF capacitor...
The unit of moment of a couple can be expressed in? ...
Which of the following will convert a milliammeter to a voltmeter? ...
Determine the distance between the consecutive antinodes XX if the wavelength is 60cm ...
Every house supplied with electricity is provided with a box of fuses so that ...
A device that converts sound energy into electrical energy is? ...