**Option A:** Its electric field

**Option B:** Its coils

**Option C:** Its magnetic field

**Option D:** Both electric and magnetic fields

**Correct Answer: **Its magnetic field ✔

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**Option A:** Each increase

**Option B:** Each decrease

**Option C:** Each remains the same

**Option D:** One increases whereas that in the other decreases

**Correct Answer: **Each decrease ✔

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**Option A:** V√/√2R

**Option B:** V/√2√R

**Option C:** V02/√2R

**Option D:** 2/√2√R

**Correct Answer: **V02/√2R ✔

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**Option A:** V = VR+VL+VC

**Option B:** V2 = VR2+VL2+VC2

**Option C:** V2 = VR2+(VL-VC)2

**Option D:** V2 = VL2+(VR-VC)2

**Correct Answer: **V2 = VR2+(VL-VC)2 ✔

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**Option A:** Zero

**Option B:** 45°

**Option C:** 90°

**Option D:** 180°

**Correct Answer: **Zero ✔

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**Option A:** Peak values of voltage and current

**Option B:** Effective values of voltage and current

**Option C:** Instantaneous values of voltage and current

**Option D:** All of the above

**Correct Answer: **All of the above ✔

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**Option A:** 10mH

**Option B:** 12mH

**Option C:** 16mH

**Option D:** 20mH

**Correct Answer: **16mH ✔

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**Option A:** Zero

**Option B:** 2

**Option C:** 1

**Option D:** Not definite

**Correct Answer: **1 ✔

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**Option A:** DC circuit

**Option B:** AC circuits

**Option C:** Both AC and DC circuit

**Option D:** Full wave rectifier circuit

**Correct Answer: **AC circuits ✔

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**Option A:** 220V

**Option B:** 220/ 2V

**Option C:** 110V

**Option D:** 220 √2V

**Correct Answer: **220 √2V ✔

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**Option A:** C/R

**Option B:** R/C

**Option C:** 1/RC

**Option D:** 1/ 2RC

**Correct Answer: **1/RC ✔

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**Option A:** 0.5 mH

**Option B:** 0.5H

**Option C:** 2.0H

**Option D:** 8.0H

**Correct Answer: **0.5H ✔

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**Option A:** Same

**Option B:** Different

**Option C:** At L will be more than at C

**Option D:** At L will be less than at C

**Correct Answer: **Same ✔

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**Option A:** The exact value of the current

**Option B:** RMS value of the current

**Option C:** The net value of the current

**Option D:** The peak value of the current

**Correct Answer: **RMS value of the current ✔

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**Option A:** (R+2πfL)

**Option B:** R+1/2πfL

**Option C:** (R2+f2L2)

**Option D:** (R2+4π2f2L2)

**Correct Answer: **(R2+4π2f2L2) ✔

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**Option A:** Remains same

**Option B:** Brightness increases

**Option C:** Brightness decreases

**Option D:** No light

**Correct Answer: **Brightness increases ✔

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**Option A:** 32Ω

**Option B:** 62Ω

**Option C:** 50Ω

**Option D:** 100Ω

**Correct Answer: **32Ω ✔

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**Option A:** Lags behind voltage by π/2

**Option B:** Is in phase with voltage

**Option C:** Opposite in phase of voltage by π

**Option D:** Leads forward the voltage by π/2

**Correct Answer: **Leads forward the voltage by π/2 ✔

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**Option A:** The current lead voltage by phase angle is 90 degrees

**Option B:** The voltage leads current by phase angle is 90 degrees

**Option C:** The current lead voltage by phase angle is 45 degrees

**Option D:** The voltage leads current by phase angle is 45 degrees

**Correct Answer: **The current lead voltage by phase angle is 90 degrees ✔

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**Option A:** Lagging each other

**Option B:** They are at 90? phase difference

**Option C:** They have zero phase difference

**Option D:** No phase difference

**Correct Answer: **They have zero phase difference ✔

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**Option A:** I = 2I∫Sin(πt/2)

**Option B:** I = 2I∫Sin(2πt)

**Option C:** I = 2ISinπt

**Option D:** I = I∫sin(2πt)

**Correct Answer: **I = 2I∫Sin(2πt) ✔

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**Option A:** Mean value of I2

**Option B:** Square root of mean value of I2

**Option C:** Square root of I2

**Option D:** Square of 1/2

**Correct Answer: **Square root of mean value of I2 ✔

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**Option A:** 0.9sec

**Option B:** 15 sec

**Option C:** 1.5x105sec

**Option D:** 0.9x102sec

**Correct Answer: **0.9sec ✔

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**Option A:** Stationary

**Option B:** Longitudinal

**Option C:** Transverse

**Option D:** All the above

**Correct Answer: **Transverse ✔

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**Option A:** Energy

**Option B:** Momentum

**Option C:** Mass

**Option D:** Heat

**Correct Answer: **Energy ✔

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**Option A:** Perpendicular to electric field

**Option B:** Perpendicular to both electric and magnetic field

**Option C:** Perpendicular to magnetic field

**Option D:** Parallel to electric and magnetic field

**Correct Answer: **Perpendicular to both electric and magnetic field ✔

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**Option A:** Magnetic field

**Option B:** Electric field

**Option C:** Electromagnetic force

**Option D:** Artificial gravitational field

**Correct Answer: **Electromagnetic force ✔

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**Option A:** 20A

**Option B:** 20.66A

**Option C:** 6.66A

**Option D:** 5.66A

**Correct Answer: **5.66A ✔

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**Option A:** Average current

**Option B:** Sinusoidal current

**Option C:** r.m.s current

**Option D:** Net current

**Correct Answer: **r.m.s current ✔

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## If capacitance of L-C circuit is made four times then frequency of the circuit becomes__________?

**Option A:** Twice

**Option B:** One half

**Option C:** Four times

**Option D:** None

**Correct Answer: **One half ✔

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**Option A:** Sound waves

**Option B:** Electromagnetic waves

**Option C:** Radio waves

**Option D:** Modulated waves

**Correct Answer: **Electromagnetic waves ✔

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**Option A:** Electric and magnetic fields moving parallel to each other

**Option B:** Magnetic field moving with velocity of light in space

**Option C:** Electric field moving with velocity of light

**Option D:** Electric and magnetic fields moving perpendicular to each other

**Correct Answer: **Electric and magnetic fields moving perpendicular to each other ✔

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**Option A:** λ-rays

**Option B:** Positive rays

**Option C:** Cathode rays

**Option D:** More than sound waves

**Correct Answer: **λ-rays ✔

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**Option A:** fluctuates off and on

**Option B:** varies in magnitude alone

**Option C:** changes its direction again and again

**Option D:** changes its magnitude harmonically and reverses its direction of flow after regularly recurring intervals

**Correct Answer: **changes its direction again and again ✔

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