Electric Circuits In RL series circuit R=2Ω and L=2mH. What is the value of time constant? 100sec 1msec 4msec 2msec 100sec 1msec 4msec 2msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has least resistivity? Aluminium. Lead. Copper. Mercury. Aluminium. Lead. Copper. Mercury. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two electric bulbs have transparent filament of same thickness. It one of them gives 60 W and other gives 100 W, then- 60 W and 100 W lamp filament have equal length. 60 W lamp filament has shorter length. 60 W lamp filament has longer length. 100 W lamp filament has longer length. 60 W and 100 W lamp filament have equal length. 60 W lamp filament has shorter length. 60 W lamp filament has longer length. 100 W lamp filament has longer length. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits To obtain wide bandwidth, network is designed with which of the following? Low Q factor High Q factor Unity Q factor Zero Q factor Low Q factor High Q factor Unity Q factor Zero Q factor ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which cell has the reversible chemical reaction? Silver oxide. Lead acid. Carbon Zinc. Mercury oxide. Silver oxide. Lead acid. Carbon Zinc. Mercury oxide. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 100 Hz. 1 Hz. 1000 Hz. 10 Hz. 100 Hz. 1 Hz. 1000 Hz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP