JEE MainPhysicsAlternating CurrentMCQ+4 / −1
A coil of negligible resistance is connected in series with resistor across supply. A voltmeter reads across resistance. Inductance of the coil is :
- A0.91 H
- B0.76 H
- C2.86 H
- D0.286 H
More from Alternating Current
- An alternating emf volt is applied to a capacitor of , the rms value of current in the circuit is .2024 · Numerical
- A bulb and a capacitor are connected in series across an ac supply. A dielectric is then placed between the plates of the capacitor. The glow of the bulb :2024 · MCQ
- When a coil is connected across a dc supply, it draws a current of . When it is connected across ac supply, it draws a current of . The self inductance of the…2024 · Numerical
- A capacitor of reactance and a resistor of resistance are connected in series with an ac source of peak value . The power dissipation in the circuit is W.2024 · Numerical
- Primary side of a transformer is connected to supply. Turns ratio of primary to secondary winding is . Load resistance connected to secondary side is . The power consumed in it is :2024 · MCQ
- A series LCR circuit with and , is connected across an ac source of supply. The power factor of…2024 · Numerical
- A capacitor of capacitance is charged to a potential of and connected to a inductor to produce oscillations. The maximum current in the circuit would be :2024 · MCQ
- In an a.c. circuit, voltage and current are given by: and respectively. The average power dissipated in one cycle is:2024 · MCQ