If the current in the circuit below is I=3.0 A and the resistance is R=7Ω, determine the power supplied by the power supply in Watts
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If the current in the circuit below is I=3.0 A and the resistance is R=7Ω, determine the power supplied by the power supply in Watts.
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- Two light bulbs are in series, one operating at 120.0 W and the other operating at 60.0 W. If the voltage across the series combination is 120.0 V, determine the current in the circuit.A certain medical device has a resistance of 2 kilo-Ohm and is rated for 20 Watts. What is the maximum voltage, in V, it can safely handle?In a given physics lab, you are asked to build a circuit with a resistance of 100 Ohms, but all you have are 1000 Ohm resistors. How could you connect them to get 100 Ohms?
- In the circuit diagram R1 = 5R and R2 = 15R, where R = 14 Ω. The power dissipated in resistor 2 is P = 1.6 W. Part (a) What is the voltage across the battery in volts? Part (b) How much power, Ps, is the source supplying, in watts?Consider the circuit shown in the figure below. (Assume R = 4.80 Ω and ΔV = 12.0 V.) (a) Find the equivalent resistance of the circuit in the figure. I FOUND IT TO BE 12.11 OHMS(b) Find each current in the circuit.(c) Find the potential difference across each resistor.(d) Find the power dissipated by each resistor.When two identical resistors are connected in series to a 100 V voltage source, the current is measured to be 7 mA. Now suppose the resistors are connected to the voltage in parallel. Find the power supplied by the source. (in W) OA: 2.800 B: 4.060OC: 5.887 OD: 8.536 OE: 1.238×10¹ OF: 1.795×10¹ OG: 2.602×10¹ OH: 3.773x10¹
- The current in a 3.0 V battery of a pocket calculator is 0.17 mA. In one hour of operation, (a) how much charge flows in the circuit and (b) how much energy does the battery deliver to the calculator circuit?Consider the circuit shown in the figure below, where R1 = 5.00 Ω, R2 = 9.00 Ω, and 3 = 11.0 V. (a) Find the voltage (in V) across R1. (b) Find the current (in A) in R1.