NEETPhysicsAlternating CurrentMCQ+4 / −1
A standard filament lamp consumes 100 W when connected to 200 V ac mains supply. The peak current through the bulb will be :
- A2 A
- B0.707 A
- C1 A
- D1.414 A
More from Alternating Current
- The peak voltage of the ac source is equal to2022 · MCQ
- A series LCR circuit with inductance 10 H, capacitance 10 F, resistance 50 is connected to an ac source of voltage, V = 200sin(100t) volt. If the resonant frequency of the LCR circuit is v0 and the frequency of the ac source…2022 · MCQ
- 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 difference 'V' volts as shown in figure. Potential difference across L, C and R is 40V, 10V and… Includes diagram2021 · MCQ
- A capacitor of capacitance 'C', is connected across an ac source of voltage V, given by V = V0sint The displacement current between the plates of the capacitor, would then be given by :2021 · MCQ
- A step down transformer connected to an ac mains supply of 220 V is made to operate at 11 V, 44W lamp. Ignoring power losses in the transformer, what is the current in the primary circuit ?2021 · MCQ
- A series LCR circuit containing 5.0 H inductor, 80F capacitor and 40 resistor is connected to 230V variable frequency ac source. The angular frequencies of the source at which power transferred to the circuit is half the power…2021 · MCQ
- A 40 F capacitor is connected to a 200 V. 50 Hz ac supply. The rms value of the current on the circuit is, nearly :2020 · MCQ
- 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 . If instead C is removed from the circuit, the phase difference is again …2020 · MCQ