A device consumes 100 W of power when connected to a 120 ...
A device consumes 100 W of power when connected to a 120 V source. Calculate its resistance
1.2Ω
12,000 Ω
20.0Ω
144Ω
Correct answer is D
P = V2R
R = 1202100
= 144.0Ω
A cell of e.m.f. 1.5v is connected in series with a resistor of 3Ω. A high resistance voltm...
A vapour is said to be saturated when ...
The diagram above is a micrometer screw gauge. Determine its reading ...
I. Density of the liquid. II. Acceleration due to gravity. III. Type of container of the liquid. ...
Which of the following radiations has the shortest wavelength? ...