MCQ
In the figure given, voltage of point $A$ is ............ $V$
- ✓$0$
- B$-3$
- C$-2.3$
- D$-2.7$
✓
Answer
Correct option: A.
$0$
a
(a)
(a)
The diode is reverse biased.
Since no current flows in circuit no voltage drop occurs in resistor.
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
The critical angle for diamond (refractive index = 2) is
Assertion : The colour of the green flower seen through red glass appears to be dark.
Reason : Red glass transmits only red light.
A convex lens of focal length $100 \,cm$ and a concave lens of focal length $10 \,cm$ are placed coaxially at a separation of $90 \,cm$. If a parallel beam of light is incident on convex lens, then after passing through the two lenses the beam
→A square coil ${10^{ - 2}}{\,m^2}$ area is placed perpendicular to a uniform magnetic field of intensity ${10^3}\,Wb/{m^2}$. The magnetic flux through the coil is........$weber$
→A ray of light is incident on the surface of separation of a medium at an angle $45^o $ and is refracted in the medium at an angle $30^o .$ What will be the velocity of light in the medium
→A circular coil of mean radius of 7 cm and having 4000 turns is rotated at the rate of 1800 revolutions per minute in the earth's magnetic field (B = 0.5 gauss), the maximum e.m.f. induced in coil will be
Four capacitors are connected as shown in the equivalent capacitance between the points $P$ and $Q$ is.......$\mu F$
→A charged particle is released from rest in a region of uniform electric and magnetic fields which are parallel to each other. The particle will move on a
Lines of force:
An electric charge in uniform motion produces: