An eledric bulb is marked 100-W. I operates at 220 V, the resistance oi the bulb willbe (a) 200 (b) 1002 484 . ((a) 4500
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- A wire is-connected to a 20-V power source, and it uad that the wire passes 40-A current. What is the power consumed on the wire, respectively? (a) 480 W b) 800 w (c) 200 W (d) 100 W. 5. An RC circuit has one 10-Ω resistor and 16-μF capacitor, what is the time constant? (s) 16 s. (b) 1.6 s. (c) 160 s. (d) 160 x 10- s.A car battery with a 12 V emf and an internal resistance of 0.053 0 is being charged with a current of 69 A. Note that in this process, the battery is being charged. (a) What is the potential difference (in V) across its terminals? PRACTICE ANOTHER (b) At what rate is thermal energy being dissipated in the battery (in W)? W (c) At what rate is electric energy being converted to chemical energy (in W)? Additional Materials Reading Submit Answer W (a) What is the resistance (in k) of a 4.00 x 102 0, a 3.00 kn, and 3.50 k resistor connected in series? k (b) What is the resistance (in 2) of a 4.00 x 102 0, a 3.00 kn, and 3.50 k resistor connected in parallel? Additional Materials PRACTICE ANOTHER Activate Windows Go to Settings to activate Windows.In the figure the ideal batteries have emfs &₁ = 18.8 V, &2 = 9.08 V, and 3 = 5.40 V, and the resistances are each 2.20 2. What are the (a) size and (b) direction (left or right) of current i₁? (c) Does battery 1 supply or absorb energy, and (d) what is its power? (e) Does battery 2 supply or absorb energy, and (f) what is its power? (g) Does battery 3 supply or absorb energy, and (h) what is its power? #H (a) Number i (b) (c) 1 & 3. (d) Number (e) (g) left i (f) Number i supply [ supply (h) Number i Units #1&₂ A Units W Units W Units W