MCQ
Assertion : Electrons move away from a low potential to high potential region.
Reason : Because electrons has negative charge
  •     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.

Answer

Correct option: A.
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The coil of a galvanometer consists of $100$ $turns$ and effective area of $1\, square-cm$. The restoring couple is ${10^{ - 8}}\,N - m/radian$. The magnetic field between the pole pieces is $5\, T$. The current sensitivity of this galvanometer will be
Six charges $+ q ,- q ,+ q ,- q ,+ q$ and $- q$ are fixed at the corners of a hexagon of side $d$ as shown in the figure. The work done in bringing a charge $q _0$ to the centre of the hexagon from infinity is :$\left(\varepsilon_0-\right.$ permittivity of free space)
An $A C$ voltage source of variable angular frequency $\omega$ and fixed amplitude $V_0$ is connected in series with a capacitance $\mathrm{C}$ and an electric bulb of resistance $\mathrm{R}$ (inductance zero). When $\omega$ is increased
Which line shows the path of beta radiation in a magnetic field?
When photon of energy $4.0\; eV$ strikes the surface of a metal $\mathrm{A}$, the ejected photoelectrons have maximum kinetic energy $\mathrm{T}_{\mathrm{A}}\; eV$ end de-Broglie wavelength $\lambda_{\mathrm{A}} .$ The maximum kinetic energy of photoelectrons liberated from another metal $\mathrm{B}$ by photon of energy $4.50 \;eV$ is $\mathrm{T}_{\mathrm{B}}=\left(\mathrm{T}_{\mathrm{A}}-1.5\right)\;eV$. If the de-Broglie wavelength of these photoelectrons $\lambda_{B}=2 \lambda_{A}$ then the work function of metal $\mathrm{B}$ is ............. $eV$
Two identical bulbs are connected in parallel across an ideal source of emf $E$. The ammeter $A$ and voltmeter $V$ are ideal. If bulb $B_2$ gets fused, then
A $10\,pF$ capacitor is connected to a $50 \,V$ battery. How much electrostatic energy is stored in the capacitor
A circular coil of conducting wire has an area $A$ and number of turns $N$. It is lying in a vertical plane in a region where uniform magnetic field $B$ exist with field direction normal to the coil plane. If the coil is rotated about a vertical axis by an angle $π$ in $0.5$ seconds, then the value of the emf induced at the ends of the coil is.
In electrolytic capacitors positive terminal is
Imagine that a reactor converts all given mass into energy and that it operates at a power level of $10^9\, watt$. The mass of the fuel consumed per hour in the reactor will be : (velocity of light, $c$ is $3\times10^8\, m/s$)