What is the unit of charge distribution for linear density?

• A) Coulomb / length2
• B) length / Coulomb
• C) Length/ Farad
• D) Coulomb / length

How is the capacitance of a capacitor defined as?

• A) Voltage per unit charge
• B) Amount of charge stored per unit potential difference
• C) Electric field strength
• D) Electric force per unit charge

We desire to make an LC circuit that oscillates at 100 Hz using an inductance of 2.5H. We also need a capacitance of:

• A) 1μF
• B) 100μF
• C) 1 F
• D) 1mF

Which physical quantity is produced by a calculation where a charge is multiplied by a potential difference (p.d)?

• A) Energy
• B) e.m.f
• C) Current
• D) Power

Magnetic flux (ΦB​) is defined as:

• A) The strength of a magnet
• B) The quantity of magnetic field passing through a surface
• C) The ability of a material to conduct magnetic lines
• D) The measure of magnetic pole strength

Maximum power delivered by a battery is:

• A) VIT
• B) 4rE2
• C) Unlimited
• D) E2/4r

If 0.5 T field over an area of 2m2 which lies at an angle of 600 with field. Then the resultant flux will be

• A) 0.50 T
• B) 0.50 Wb
• C) 0.25 Wb
• D) 0.25 T

The value of k in coulomb's law depends upon

• A) magnitude of charges
• B) distance between charges
• C) medium between two charges
• D) all of these

Inductive reactance XL of an inductor is:

• A) 2πL
• B) πfL
• C) 4πfL
• D) 2πfL

The lenz’s law refers to:

• A) Potential difference
• B) Motional emf
• C) Induced potential
• D) Induced current

In a magnetic field, which ions experience a greater deflection: heavier ions or lighter ions? (Provided all other parameters are kept same)

• A) Independent of ion-mass
• B) Heavier ions
• C) Lighter ions
• D) Both experience the same deflection

A transparent refracting medium bounded by the two curved surfaces called:

• A) Prism
• B) Mirror
• C) Glass
• D) Lens

1 Tesla is equal to

• A) 10-3 guass
• B) 103 guass
• C) 10-4 guass
• D) 104 guass

Maxwell’s second equation is expressed as __________:

• A) ▽×B = 0
• B) ▽⋅B = 0
• C) ▽×B = 1
• D) ▽⋅B = 1

If the voltage in a circuit is 10 volts and the resistance is 5 ohms, what is the power consumed?

• A) 10 watts
• B) 2 watts
• C) 20 watts
• D) 50 watts

The waves used by artificial satellites for communication is:

• A) X-rays
• B) Radio waves
• C) Microwaves
• D) Infrared waves

One Tesla is equal to

• A) N A m
• B) N /A m
• C) N A/m
• D) N /Am

What is the charge density for a volume charge distribution?

• A) dq = λds
• B) dq = σdV
• C) dq = dA
• D) dq = ρdV

Select the correct statement:

• A) Radio waves have higher frequency than gamma rays
• B) Gamma rays have higher frequency than infrared waves
• C) Blue light has a higher frequency than x rays
• D) Ultraviolet light has a longer wavelength than infrared

The transformer voltage induced in the secondary coil of a transformer is mainly due to:

• A) A varying electric field
• B) A varying magnetic field
• C) The vibrations of the primary coil
• D) The iron core of the transformer