MCQ
Study involving both electricity and magnetism is called $.......$.
- ✓electromagnetism
- Bmagnetoelectricism
- Celectricmagnetism
- Dmagneticelectromerism
✓
Answer
Correct option: A.
electromagnetism
Study of phenomenon involving both electricity and magnetism is called electromagnetism.
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 equivalent capacitance between $A$ and $B$ is.......$\mu \,F$
→In an $LR$ -circuit, time constant is that time in which current grows from zero to the value (where ${I_0}$ is the steady state current)
→In Young's double slit experiment the $ y-$ coordinates of central maxima and $10$$ ^{th}$ maxima are $2\, cm$ and $5 \,cm$ respectively. When the YDSE apparatus is immersed in a liquid of refractive index $1.5$ the corresponding $y-$ coordinates will be
→Two plane mirrors ${M}_{1}$ and ${M}_{2}$ are at right angle to each other shown. A point source $'P'$ is placed at $'a'$ and $'2a'$ meter away from ${M}_{1}$ and ${M}_{2}$ respectively. The longest distance between the images thus formed is : (Take $\sqrt{5}=2.3$ )
→Two convex lenses of focal lengths $0.3 \,m$ and $0.05 \,m$ are used to make a telescope. The distance kept between the two is....$m$
→The magnetic field at the centre of a circular current carrying-conductor of radius $r$ is $B_c$. The magnetic field on its axis at a distance $r$ from the centre is $B_a$. The value of $B_c$ : $B_a$ will be
→The variation of the instantaneous current $(I)$ and the instantaneous emf $(E)$ in a circuit is as shown in fig. Which of the following statements is correct
→Threshold frequency for a metal is $10^{15}$ Hz. Light of $\lambda=400 \mathrm{~A}^0$ falls on its surface. Which of the following statements is correct
→When a pin is moved along the principal axis of a small concave mirror, the image position coincides with the object at a point $0.5\, m$ from the mirror, refer figure. If the mirror is placed at a depth of $0.2\, m$ in a transparent liquid, the same phenomenon occurs when the pin is placed $0.4\, m$ from the mirror. The refractive index of the liquid is
→If the maximum value of accelerating potential provided by a ratio frequency oscillator is $12\, {kV}$. The number of revolution made by a proton in a cyclotron to achieve one sixth of the speed of light is ....... .
→$\left[{m}_{{p}}=1.67 \times 10^{-27} {kg}, {e}=1.6 \times 10^{-19} {C},\right.$ Speed of light $\left.=3 \times 10^{8} {m} / {s}\right]$