Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? The voltage across each bulb is not same. The current through each bulb is same. The power dissipation in each bulb is not same. None of these The voltage across each bulb is not same. The current through each bulb is same. The power dissipation in each bulb is not same. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has positive temperature coefficient ? Gold. Paper. Rubber. Germanium. Gold. Paper. Rubber. Germanium. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When water is added to sulphuric acid lot of heat is generated. water start boiling. acid particles get separated. colour of acid changes. lot of heat is generated. water start boiling. acid particles get separated. colour of acid changes. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following lamp has least resistance ? 100 W, 220 V. 200 W, 220 V. 60 W, 220 V. 25 W, 220 V. 100 W, 220 V. 200 W, 220 V. 60 W, 220 V. 25 W, 220 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In given figure, the value of resistance R in Ω is 3.5 Ω 1 Ω 2.5 Ω 4.5 Ω 3.5 Ω 1 Ω 2.5 Ω 4.5 Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across L is 45.5 V. 39.1 V. 50.5 V. 31.9 V. 45.5 V. 39.1 V. 50.5 V. 31.9 V. ANSWER DOWNLOAD EXAMIANS APP