(II) You want to design a portable electric blanket that runson a 1.5-V battery. If you use a 0.50-mm-diameter copperwire as the heating element, how long should the wire be ifyou want to generate 18 W of heating power? What happensif you accidentally connect the blanket to a 9.0-V battery?

Q: Consider two resistors, R₁ and R₂, connected in parallel. Derive the expression that gives the total…

A:

Q: If the 0.100-mm diameter tungsten filament in a light bulb is to have a resistance of 0.200 Ω at…

A: The area is,

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

A: Solution:   Given Values, R1=1 ΩR2=4 ΩR3=5.2 ΩE=24 V

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Q: (a) A potential difference of 12 V is applied to a 250@Ω resistor. How much current flowsthrough the…

A: Solution:- a) As per ohm's law, V = IR, I = V/R and R = V/I. Where I is amperes. So you have the…

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A:

Q: The potential difference across a resting neuron in the human body is about 75.0 mV and carries a…

A: Solution attached in the photo

Q: Household 120-V outlets are made to accept three-pronged plugs. One of the prongs attaches to the…

A: it connects the case of the appliance directly to the ground for safety purposes its the correct…

Q: (b) What is the current flowing through Req?  (c)  What is the current flowing through the 30 Ω…

A: Since you have asked question with multiple sub-parts in a single request, we would be answering…

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A:

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: What is the final potential difference between A and B in the below circuit: (a.) In the circuit as…

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Q: One way a multiple-speed ventilation fan for a car can bedesigned is to put resistors in series with…

A: The resistance of the motor can be obtained as RM=VI=12V5.0A=2.4Ω

Q: 'A parallel combination of two resistors, R1 and R2, is in series with another resistor R3. the…

A: Given :- A parallel combination of two resistors, R1 and R2, is in series with another resistor R3.…

Q: ain car battery with a 12.0 V emf has an initial charge of 162 A·h. Assuming that the potential…

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Q: (d) Calculate the total power, Ptot (in watts) that is supplied to this circuit. (e) Calculate the…

A:

Q: A 1.50 mF capacitor is charging through a 12.0 Ω resistorusing a 10.0 V battery. What will be the…

A: Given data C=1.5 mFR=12ΩV=10 V

Q: (a) A 20.0 V battery supplies 1.5 A to a 12.0 N resistor. Calculate the (1) teminal voltage of the…

A: Given that,Voltage : EMF = 20 (V)Current : I = 1.5 (A)Resistance : R = 12 (Ohm)a : Here we need to…

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

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Q: In the figure R, - 4.78 , R2 = 14.3 0, and the ideal battery has emf e - 11.8 V. (a) What is the…

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Q: The following statements are related to household circuitsand electrical safety. Determine whether…

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A: Voltage are added to gether in series

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A:

Q: In the figure R; - 5.810. R2 - 17.4 Q, and the ideal battery has emf e - 11.9 V. (a) What is the…

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Q: Some makes of older cars have 6.00 V electrical systems. (a) What is the hot resistance (in 0) of a…

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Q: An airplane black box contains a bunch of unknown resistances and batteries connected in unknown way…

A: Given Data:-  R1= 9Ω resistor draws a current i1=0.80 A and R2=17 Ω resistor draws a current i2=0.50…

Q: 5. For the circuit below: +1.6V 1kQ 2kQ www (b) What is the power dissipated by each resistor? 1kQ…

A:

Q: If the 0.100-mm diameter tungsten filament in a light bulb is to have a resistance of 0.200 Ω at…

A: Resistance of wire, R=ρLA where, ρ is resistivity of tungsten=5.6×10-8 Ω-m L is length Cross…

Q: A battery has ab emf= 15 volt and internal resistance of r 1.34 N. Its terminal s are connected to…

A:

Q: 13. Consider this circuit; the current through it is 3 A. (a) What is the potential difference AV…

A: a) Current through circuit= 3A   So, current through 2 Ω is 3A.  Hence, potential across 2Ω is =…

Q: A certain car battery with a 12.0 V emf has an initial charge of 120 Ah. Assuming that the potential…

A: Given that-Potential difference, V= 12 VoltInitial Charge= 120AhPower, P= 100 Watt't' is the time.We…

Q: (b) What is the current through the starting motor?

A: The current is given by 9.90A, voltage is 11.80V, and the internal resistance of the battery is…

Q: Two resistors, one having a resistance of 840 kn, are connected in series to produce a total…

A: a) Write the expression for the equivalent resistance when resistors are connected in series.…

Q: Which of the following statements is true? In a closed circuit; current leaves the positive terminal…

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