A battery has emf E and internal resistance r = 2.00 Ω. A 12.0 Ω resistor is connected to the battery, and the resistor consumes electrical power at a rate of 96.0 J/ What is the emf of the battery?
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A battery has emf E and internal resistance r = 2.00 Ω.
A 12.0 Ω resistor is connected to the battery, and the resistor consumes
electrical power at a rate of 96.0 J/ What is the emf of the battery?
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- Consider the circuit shown below. The resistor has R= 40 ohms and the capacitor has C= 6 x10^-6 F. Initially the switch is open and there is no charge on the capacitor and no current in the resistor. At a time after the switch is closed the current in the resistor is 2 A and the charge on the capacitor is q= +3.00 x 10^-4 C. What is the emf of the battery?Four identical filaments are connected together in series inside a decorative light bulb. Each filament has a resistance of 2.30 Ohms. When the very bright light is on, a current of 7.55 A passes through the bulb. What is the total power dissipated in Watts?The figure shows a simple RC circuit consisting of a 100.0 V battery in series with a C = 10.0 μ F capacitor and a R = 4.3 × 105 resistor. Initially, the switch S is open and the capacitor is uncharged. 100.0 V A) 1.1 x 10-³ C B) 2.9 × 10-3 C C) 3.7 x 104 C D) 5.2 x 10-4 C E) 6.6 × 104 C I S R 10.0 µF How much charge q is on the capacitor 2.0 s after the switch is closed? (Hint: First compute the final charge on the capacitor and the RC circuit's time constant.)
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- In the figure the current in resistance 6 is i6 = 1.31 A and the resistances are R₁ = R₂ = R3 = 1.5202, R4 = 15.00, R5 = 8.490, and R6 = 3.41 Q. What is the emf of the ideal battery? Number R₁ Units R3 www R₂ www R₁ www R₂ 16 R6a) From the graph, determine the emf (ϵϵ) of the battery. b) From the graph, determine the internal resistance (r) of the battery.In the figure the current in resistance 6 is i6 = 1.33 A and the resistances are R₁ = R₂ = R3 = 1.720, R₂ = 16.5 Q, R5 = 8.750, and R6 = 4.79 Q. What is the emf of the ideal battery? Number i E 40 www R₁ Units www R3 R₂ www R₁ 2 www R₂ R6
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