The circuit shown at right is made using identical bulbs and an ideal battery. R

Question

The circuit shown at right is made using identical bulbs and an ideal battery. Rank the brightness of bulbs B and D a). Bulb D is brighter than bulb B. b). Bulb D is dimmer than bulb B. c). Bulb D is the same brightness as bulb B. Is the current through bulb A greater than, less than, or equal to the current through bulb C? Explain a) The current through bulb A is greater than, the current through bulb C? Explain b) The current through bulb A is less than the current through bulb C c) The current through bulb A is equal to the current through bulb C The condition for Resonance for an AC circuit with a resistor, inductor, and capacitor in is that a) Z is maximum b) phi is 90 degrees c) (X_L - X_c) = 0

Explanation / Answer

P=I2R

14)R is same so current in B>D

so bulb B is brigther than D

15)current through A is equal to C because they are connected in series

16)condition is such that Xl-Xc=0

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