MCQ
The current in the following circuit is
- A$\frac{1}{8} \mathrm{~A}$
- B$\frac{2}{9} A$
- C$\frac{2}{3} A$
- ✓$1 A$
✓
Answer
Correct option: D.
$1 A$
$1 A$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Assertion : The poles of magnet cannot be separated by breaking into two pieces.
Reason : The magnetic moment will be reduced to half when a magnet is broken into two equal pieces.(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
Reason : The magnetic moment will be reduced to half when a magnet is broken into two equal pieces.(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
In an LCR series a.c. circuit, the voltage across each of the components. L, C and R is 50V. The voltage across the LC combination will be:
The circuit shown in Fig. acts as a.
In the given figure, equivalent resistance between $A$ and $B$ will be
→An electrical cable of copper has just one wire of radius 9mm. Its resistance is 5 ohm. This single copper wire of the cable is replaced by 6 different well insulated copper wires each of radius 3mm. The total resistance of the cable will now be equal to:
When an impurity is doped into semiconductor, the conductivity of the semiconductor:
Magnetic lines of force can pass through:
Assertion : The drift velocity of electrons in a metallic wire will decrease, if the temperature of the wire is increased.
Reason : On increasing temperature, conductivity of metallic wire decreases.(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
Reason : On increasing temperature, conductivity of metallic wire decreases.(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
The relative permittivity $(\in_{r})$ of a medium is :
→A wave moving in a gas,
-
Must be longitudinal
-
May be longitudinal
-
Must be transverse
-
May be transverse