MCQ
In the above question, potential difference across the 40Ω resistance will be
- ✓Zero
- B80 V
- C40 V
- D120 V
✓
Answer
Correct option: A.
Zero
(a) Zero
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
Which of the following Boolean expression is not correct
According to Bohr's theory, the time averaged magnetic field at the centre (i.e. nucleus) of a hydrogen atom due to the motion of electrons in the $n^{th}$ orbit is proportional to ($n =$ principal quantum number)
→$K_{\alpha}$ wavelength emitted by an atom of atomic number $Z = 11$ is $\lambda$ Find the atomic number for an atom that emits $K_{\alpha}$ radiation with wavelength $4$ $\lambda$
→'Albedo' is
$ABCD$ is a square where each side is a uniform wire of resistance $1\,\Omega$ . $A$ point $E$ lies on $CD$ such that if a uniform wire of resistance $1\,\Omega$ is connected across $AE$ and constant potential difference is applied across $A$ and $C$ then $B$ and $E$ are equipotential.
→Which is the best conductor of electricity?
The maximum power drawn out of the cell from a source is given by (where r is internal resistance)
Assertion : The back emf in a dc motor is maximum when the motor has just been switched on.
Reason : When motor is switched on it has maximum speed.
Reason : When motor is switched on it has maximum speed.
The voltage of an $ac$ source varies with time according to the equation $V = 100\sin \,\left( {100\pi t} \right)\cos \,\left( {100\pi t} \right)$ where $t$ is in seconds and $V$ is in volts. Then
→Two charged spheres of radii R, and R2 are connected by a wire. The ratio of the electric fields of the spheres is: