2.5m
5.0m
7.5m
10.0m
20.0m
Correct answer is A
No explanation has been provided for this answer.
Calculate the peak voltage that could be obtained from a 220 V\(_{r.m.s}\)main supply.
70.7V
110.0V
155.6V
311.1V
440.0V
Correct answer is D
No explanation has been provided for this answer.
Which of the following pairs is an example of translucent bodies?
Cardboard and moon
Clear water and glass
Frosted glass and waxed paper
Oiled paper and brick
Wood and metal sheet
Correct answer is C
No explanation has been provided for this answer.
0.25
0.5
1.66
2
4
Correct answer is D
No explanation has been provided for this answer.
When some ice cubes are added to a glass of warm water, the glass is cooled by a process of
conduction only
convection only
conduction and convection
conduction and radiation
radiation only
Correct answer is C
No explanation has been provided for this answer.