Related Questions

A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively The current in each branch is
A 6.4 A, 6.9 A
B 6.4 A, 9.6 A
C 4.6 A. 6.9 A
D 4.6 A, 9.6 A
The condition for the validity under Ohm’s law is that
A resistance must be uniform
B current should be proportional to the size of the resistance
C resistance must be wire wound type
D temperature at positive end should be more than the temperature at negative end
According to Raoult's law, "The vapor pressure exerted by component in a solution is proportional to the mole fraction of that component." Raoult's law is not applicable under the following assumption/condition.
A No component is concentrated at the surface of the solution
B The component molecules are non polar and are of almost equal size
C In the formation of solution, chemical combination/molecular association between unlike molecules takes place
D The attractive forces between like and unlike molecules are almost equal
If the energy is supplied from a source, whose resistance is 1 ohm, to a load of 100 ohms the source will be
A A voltage source
B A current source
C Both of above
D None of the above
An ammeter has a resistance of G ohms and range of I amperes. The value of resistance required in parallel to convert it into an ammeter of range nI is ___________.
A nG
B (n - 1)G
C $$\frac{{\text{G}}}{{{\text{n}} - 1}}$$
D $$\frac{{\text{G}}}{{\text{n}}}$$
A voltmeter has a resistance of G ohms and range V volts. The value of resistance required in series to convert it into voltmeter of range nV is ___________.
A nG
B $$\frac{{\text{G}}}{{\text{n}}}$$
C $$\frac{{\text{G}}}{{{\text{n}} - 1}}$$
D (n - 1)G
An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is
A Good
B Open
C Shorted
D Partly shorted
What resistence in ohms should be displayed ehen testing a speaker in a computer?
A 0 Ohms
B 16 Ohms
C -200 Ohms
D Unlimited Ohms
E None of the above
What resistance in ohms should be displayed when testing a speaker in a computer?
A Q Ohms
B 16 Ohms
C -200 Ohms
D Unlimited Ohms
E None of the above
Usual value of the resistance suitable for a wire resistance strain gauge is __________ ohms.
A 20
B 80
C 120
D 500

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