Two resistors with values of 30 Q and 23 N, respectively, are connected in series and hooked to a 12 V battery. (a) How much current is in the circuit? (b) How much power is expended in the circuit?

Q: When connected to a 120-V source, an electric heater is rated at 1200 V and a toaster at 6.0x10^2 V.…

A: Given data:  Voltage (V) = 120 V Power rating of electric heater (P1) = 1200 W Power rating of…

Q: 50 2 50 Q 75 Q 75 0 105 Q +60V (a) Calculate the equivalent resistance of the circuit. (b) Calculate…

A: Since you have posted multiple subparts in a single question so we are solving only first three…

Q: What is the unit for power? Coulombs/sec Voits O Watts O Amperes Chns Which of the following light…

A: In general, current = charge/time Unit => Coulombs/sec or Amperes Electric potential Unit =>…

Q: A 1.00-MΩ voltmeter is placed in parallel with a 75.0-kΩ resistor in a circuit. If the current…

A: Assume the resistance of the resistor is R1 = 75.0 kΩ. Assume the resistance of the voltmeter is R2…

Q: (a) Find the voltage drop in an extension cord having a 0.062 resistance and through which 4.5 A is…

A: According to Bartleby guidelines we can only solve first three subparts of a question. Kindly post…

Q: A 75-W light bulb is turned on. It has an operating voltage of 120 V. (a) How much current flows…

A: Given,                       power of bulb (P) = 75 W            operating voltage (V)= 120 volt…

Q: What is the resistance of a 310 Ω, a 2.50 kΩ, and a 4.15 kΩ resistor connected in series? (b) What…

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Q: How many 180W lightbulbs can you use in a 150-V circuit without tripping a 7-A circuit breaker? (The…

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Q: 8 - What is the power delivered on a 30 resistor in the circuit given in the figure? Note: The…

A:

Q: A piece of copper wire of resistance R is cut into 10 equal lengths. These parts are connected in…

A: Note : You have posted two different questions. I will solve only the first one according to…

Q: All of the electrical outlets in a room are connected in a single parallel circuit. The circuit is…

A:

Q: The figure (Figure 1) shows a simplified circuit for a photographic flash unit. This circuit…

A: The expression for the time taken is,

Q: Two resistors, one having a resistance of 145 Ω , are connected in parallel to produce a total…

A: Given,

Q: In measuring a voltage, a voltmeter uses some current from the circuit. Consequently, the voltage…

A:

Q: A 1 Ω resistor and a 4 Ω resistor are connected in parallel. The combination is connected in series…

A: Given: The resistors in parallel are 1 Ω and 4 Ω. The resistor in series with the parallel…

Q: In a water heater, the power dissipated by the heating element is 2.4 kW when connected to a 180 V…

A: Given, Power dissipate by heating element P = 2.4 kW = 2400 W Voltage V = 180 V   We know the…

Q: (a) What is the resistance of a 390 Ω, a 2.50 kΩ, and a 3.85 kΩ resistor connected in series? (b)…

A:

Q: The total power dissipated in watts in the circuit shown here is

A:

Q: A 60-W light bulb is turned on. It has an operating voltage of 120 V. (a) How much current flows…

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Q: In the circuit as shown in the figure below, E1= 2 V, E2= 4 V, r1= 1 ohm, r2= 2 ohm and R= 5 2.…

A:

Q: A galvanometer whose resistance is 50 Q has 25 divisions in it. When a current of 4 x 104A passes…

A:

Q: (a) Three 8.70 Q resistors are connected in series to a 16.0 V battery. What is the equivalent…

A: Given three resistors R1=R2=R3 each having a resistance R =8.7Ω connected to a battery with voltage…

Q: A bulb in a flashlight carries a current of 0.3 A when it is connected to a 1.5 V battery.…

A:

Q: Two resistors with values of 25 Ω and 45 Ω, respectively, are connected in parallel and hooked to a…

A: I1=VR1=16 V25 Ω=0.64 A Current passes through 45 Ohm resistor  I1=VR1=16 V45 Ω=0.36 A

Q: A lamp (R, = 154 2), an electric heater (R, = 23 Q), and a fan (R3 = 49 Q) are connected in parallel…

A: According to the given data, R1, R2 and R3 are connected in parallel.The equivalent resistance of…

Q: With 3 different resistors connected in parallel, when connected to a battery source with…

A:

Q: A 660-Ω resistor is connected to a variable-voltage power supply. (a) What voltage is necessary to…

A: Given : R = 660 Ω

Q: are analyzing an electrical circuit around a battery that outputs 9 V. The circuit is designed to…

A:

Q: Two resistors, one having a resistance of 900 kΩ , are connected in series to produce a total…

A: (a) When resistors are connected in series, there resistances adds up Rnet=R1+R2 Rearrange to find…

Q: A light bulb is connected to a 240-V wall socket. The current in the bulb depends on the time t…

A: Given that,Vrms=240Vit=0.707 ASin 125.6 Hztwe know, I=I0Sinωtcomparing equation , we will get…

Q: A battery with an emf of 9 [V] is connected to a 2 [kΩ] resistor. How  much energy is dissipated in…

A:

Q: Light bulb of an automobile dissipates 60 Watts when connected to a 12 Volt battery. If the battery…

A: Given that,Power used by light bulb=60 wattEMF of battery, V=12 voltBattery =60 Ampere-Hours

Q: (a) A certain conductor has a resistance of 10 ohms. It is placed between the poles of a cell whose…

A: Given data:  Resistance (R) = 10 Ω Potential difference (V) = 5 V Time (t) = 20 minutes Required:…