1 Answers
Call
Talk Doctor Online in Bissoy App
What is the answer to this question The resistance of a few meters of wire conductor in closed electrical circuit is?
Answer: Option 1 Let'
1 Answers 15 views
The r.m.s. value of alternating current is given by steady (D.C.) current which when flowing through a given circuit for a given time produces?
Answer: Option 2 Let'
1 Answers 1 views
When an alternating current passes through an ohmic resistance the electrical power converted into heat is?
Answer: Option 2 Let'
1 Answers 2 views
When electric current passes through a metallic conductor, its temperature rises. This is due to?
Answer: Option 1 Let'
1 Answers 2 views
A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be?
Answer: Option 1 Let'
1 Answers 1 views
Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.?
Answer: Option 3 Let'
1 Answers 1 views
Fourier's law of heat conduction is (where Q = Amount of heat flow through the body in unit time, A = Surface area of heat flow, taken at right angles to the direction of heat flow, dT = Temperature difference on the two faces of the body, dx = Thickness of the body, through which the heat flows, taken along the direction of heat flow, and k = Thermal conductivity of the body)?
Answer: Option 1 Fourier's law of heat conduction is k. A. (dT/dx) where Q = Amount of heat flow through the body in unit time, A = Surface area of heat...
1 Answers 1 views
Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)?
Answer: Option 4 Let'
1 Answers 1 views
Which of the following is a good conductor of heat but a bad conductor of electricity ?
Answer: Option 4 Mica is a good conductor of heat but bad conductor of electricity.
1 Answers 1 views