5. (a) Find the rate of conversion of chemical energy to electrical energy in the battery...
4. Find a) the rate of conversion of chemical energy to electrical energy in the battery (the power), and b) the rate of conversion of electrical energy to heat in the 80 2 resis- tor. 332 8osn 28.52
The capacity of a storage battery, such as those used in automobile electrical systems, is rated in ampere-hours (A · h). A 50-A · h battery can supply a current of 50 A for 1.0 h, or 25 A for 2.0 h, and so on. Consider a 12.0-V battery that has an internal resistance of 0.26 Ω and a capacity of 55.8 A · h. The battery is charged by passing a 9-A current through it for 6.2 h. (a)...
Find the electrical power dissipation in the 12 resistor. 15. Find the electrical power dissipation in the 12 Ω resistor. 4Ω 4Ω (a) 1.33 W (b) 3.64W (c) 0.90 w (d) 2.33 W 28 V 8Ω 6Ω 6Ω 12Ω
A car battery with a 12 V emf and an internal resistance of 0.097 Ω is being charged with a current of 47 A. What are (a) the potential difference across the terminals, (b) the rate Prof energy dissipation inside the battery and (c) the rate Pemf of energy conversion to chemical form? When the battery is used to supply 47 A to the starter motor, what are (d) V and (e) Pr?
A battery has an emf of 12.0 V and an internal resistance of 0.210 Q. Its terminals are connected to a load resistance of 3.00 . Circuit diagram of a source of emf (in this case, a battery), of internal resistance r, connected to an external resistor of resistance R. for ning R (a) Find the current in the circuit and the terminal voltage of the battery. SOLUTION Conceptualize Study the figure, which shows a circuit consistent with the problem...
Three identical resistors, when connected in series, transform electrical energy into thermal energy at a rate of 9.0 WW (3.0 WW per resistor). Determine the power consumed by the resistors when connected in parallel to the same potential difference.
CChapter 19-Homework Problem 19.38 PartA For the circuit in (Figure 1) assume that Rs -11and Rs #58 Find the rate of conversion of internal (chemical) energy to electrical energy within the battery Express your answer in watts using two significant figures. Figure 1 of R, 12.0 v Part B Find the rate of dissipation ofelcrical y in the batery Express your answer in watts using two sigificant gures F9 Fro F11 F6
1) An electric heater consumes electrical energy at a rate of P = 150 W when connected to a battery with an emf of 120 V. (a) What is the current in the heater? A (b) If you wish to increase the power consumption to 300 W, by what factor should the heater resistance be changed? Rfinal Rinitial = (c) What is the maximum power that could be drawn if the circuit contained a circuit breaker that limited the current...
Be sure to review Examples 25 3 and 259 (Section 25 5) before attempting these problems Part 3 Part The current is 0.710 A in a circuit in which a battery of emt 120 V is connected to find the power dissipated in the resistor resister of resistance 160 Find the potential difference across the terminals of the Express your answer with the appropriate units. battery Express your answer with the appropriate units Lua ? Value Units V Value Units...
05.) What is the current in the circuit? At what rate is chemical energy being converted into electrical energy in the battery. At what rate is energy being converted into heat in the battery? At what rate is electrical energy being converted into heat by the load resistor? 13V unt (r=100 R mm 5,5r