Physics · 2018
NEET 2018 · 6 May · Code AA · Q28
An inductor 20 mH, a capacitor 100 μ F and a resistor 50 Ω are connected in series across a source of emf, V =10 sin 314 t. The power loss in the…
An inductor $\displaystyle 20$ mH, a capacitor $\displaystyle 100 \mu \mathrm{~F}$ and a resistor $\displaystyle 50 \Omega$ are connected in series across a source of emf, $\displaystyle \mathrm{V}=10 \sin 314 \mathrm{t}$. The power loss in the circuit is
Official answer
From NTA’s final answer key for this paper.
(3)
0.$\displaystyle 79$ W
More from Alternating Current
- An ac voltage V=220 sin (2 × 10^3 t) Volt is applied to a series LCR circuit. Then the current amplitude in this circuit is: (Given: L=10 mH, C=25 μ…2026
- In an ideal transformer, the turns ratio is N_p/N_s=1/2. The ratio V_s: V_p is equal to (the symbols carry their usual meaning):2024
- A series LCR circuit is connected to an ac voltage source. When L is removed from the circuit, the phase difference between current and voltage is…2020
- A 40 μ F capacitor is connected to a 200 V, 50 Hz ac supply. The rms value of the current in the circuit is, nearly:2020
- An inductor of inductance L, a capacitor of capacitance C and a resistor of resistance ' R ' are connected in series to an ac source of potential…2021
- The peak value of an alternating current is 5 A and frequency is 60 Hz. How long will the current, starting from zero, take to reach the peak value?2026
- A step down transformer connected to an ac mains supply of 220 V is made to operate at 11 V, 44 W lamp. Ignoring power losses in the transformer,…2021
- An ac source is connected to a capacitor C. Due to decrease in its operating frequency:2023
NEET (UG) 2018 Physics question, with the answer from NTA’s final answer key. Where our answers come from.