Two fixed type resistors, 5 ohms and 7.5 ohms, are connected in series. 12 volts 7.5 N If a 12 volt battery is supplied to the series connection, compute for the total power used by the circuit. Select one: a. 10.58 Watts O b. 5. 63 Watts O c. 11.52 Watts 12 20 Wette Duracell
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- Consider 3 resistors with resistances 0.95 × 102 Ω, 2.9 kΩ, and 3.5 kΩ. Part (a) What would be their resistance, Rs, in kilohms, if they were connected in series? Rs = Part (b) What would be their resistance, Rp, in ohms, if they were connected in parallel? Rp =A child’s electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of 0.0200 Ω in series with a 1.53-V carbon-zinc dry cell having a 0.100-Ω internal resistance. The load resistance is 10.0 Ω . (a) Draw a circuit diagram of the toy and its batteries. (b) What currentflows? (c) How much power is supplied to the load? (d) Whatis the internal resistance of the dry cell if it goes bad, resultingin only 0.500 W being supplied to the load?(I) A 650Ω and an 1800Ω resistor are connected in serieswith a 12-V battery. What is the voltage across the 1800Ωresistor?
- A 300Ω resistor and a 100Ω resistor are connected in series, and this combination is subjected to a 60.0V ddp. A voltmeter is connected to the 300Ω resistor terminals and the reading is 43.5V. What is the resistance of the voltmeter?A 300 ohms resistor and a 570 ohms resistor are in series. When this combination is connected across a 12- Volt battery, how do you determine the current is in mA?What voltage will produce 0.2 AA of current through a 4800-ΩΩ resistor? Express your answer to two significant figures and include the appropriate units. V=
- Two 3.0 μF capacitors are in series with a resistor of 150 Ω, a battery of15.0 V, and an open switch. What is the time constant of the circuit? Whatis the equation for the current as a function of time?An initially uncharged 4.35×10−6 F capacitor and a 7690 ohm resistor are connected in series to a 1.50 V battery that has negligible internal resistance. What is the initial current i0 in the circuit? i0=? Calculate the circuit's time constant ? . ?=?s How much time ? must elapse from the closing of the circuit for the current to decrease to 3.85% of its initial value? t=?consider a portable electric blanket that runs on a 4,5 V battery. ıf you use copper wire with a 0,75 mm diameteras the heating element, how long should the wire be (in units of meters) if you want to generate 20 W of heating power ?(take the resistivity of the copper wire as p = 1,7 * 10-8 ohm*m)
- Two identical resistors of 276 Ohms are configured in parallel and connected to a 13.3V power supply. If the same two resistors are then connected in series,what should the voltage of the power supply by charged to such that the parallel and series configurations draw the same amount to power?0.73 amps flow thru a 15 Ω resistor. How muxh voltage does the resistor use ? How much power is used?Answer the following 1. A voltage of 120V generates an IR drop across two resistors connected in series. If the voltage drop across R1 is 30V, what is the voltage drop across R2, in Volts? a) 80 b) 40 c) 100 d) 90 2. Three resistors R1, R2 and R3 of 20, 40 and 60 ohms are connected in parallel through the 120 V power line. What is the total current in the power line? a) 10A b) 12A c) 11A d) 15A 3. Resistors in a circuit are generally used to: a) increase the flow of the current b) decrease the flow of current c) avoid overvoltage d) decrease the power in the circuit