MCQ
The force per unit charge is known as $........$.
- AElectric current
- BElectric potential
- ✓Electric field
- DElectric space
The force per unit charge is known as the electric field.
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Reason $R$.
Assertion $A :$ An electron microscope can achieve better resolving power than an optical microscope.
Reason $R$ : The de Broglie's wavelength of the electrons emitted from an electron gun is much less than wavelength of visible light.
In the light of the above statements, choose the correct answer from the options given below
