Problem 5: An LR circuit includes a basic switch, two voltmeters and an ammeter. Initially there is no current. Data collection begins, and then the switch is moved to position "a" allowing the current to flow. a Vo Part (a) Which graph best represents the current measured with the ammeter as a function of time?
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- When unequal resistors are connected in parallel in a circuit, a the same current always runs through each resistor. b the potential drop is always the same across each resistor. c the largest resistance has the largest current through it. d the power generated in each resistor is the same.In the circuit shown, the potential difference V₁ = VB = 41.0 V and the resistance R₁ = R₂ = R3 = R4 = 215 2. The arrows for currents IA and Iß indicate the direction of positive current flow. The arrows do not necessarily indicate the direction of the actual current flow at those points. Determine the current IA. IA = Determine the current IB. IB = A A RA www R₁ ww R₁ www R₁₁ wwwWhich of the following is a formula for the power dissipated by a resistor? Let V be the voltage across the resistor, / be the current through the resistor, and R is the value of the resistance of the resistor. PIR V/R O PR
- Consider the circuit shown in the figure. Suppose the four resistors in this circuit have the values R1 = 12 Ω, R2 = 7.1 Ω , R3 = 7.1 Ω, and R4 = 13 Ω, and that the emf of the battery is ε = 18 V. Find the current through each resistor and the power dissipated in the circuit.Consider the following circuit diagram. The potential difference across the battery is 40.0 volts, and it supplies a current of 5.00 amperes to the circuit. There is a current of of 2.70 amperes flowing through R1. Resistor R2 has a resistance of 5.50 ohms. What is the resistance of R3? Answer in ohms to two decimal places, but do not include units in your answer.How to solve for the following:
- A student set up the circuit shown for her electronics class. Assuming Ɛ = 7.60 V and R = 4.70 Q, find the following quantities. 12.0 V + 4.00 Ω b 2.00 Ω ww a w R ε (a) the current in the 2.00 2 resistor (Enter the magnitude in mA.) Redraw the circuit, labeling currents, and apply Kirchhoff's rules to determine equations in terms of the given values. Solve your equations for the current in the 2.00-Q resistor. mA (b) the potential difference (in V) between points a and b Vb-Va = Apply Ohm's law and your result from part (a) to calculate your answer. It might help to redraw the circuit so that points a and b are clearly defined junctions. V Need Help? Read ItProblem 5: A current of I- 2.6 A passes through the circuit shown, where R- 65 3R 5R V) 2R 6R 2R 7R 5R 10R Otheexpertta.com Part (a) In terms of R, I, and numeric values, write an expression for the voltage of the · source, V. Part (b) What is the voltage, V in volts? tan( sin() cotanO a acos cosh0t cosO asin() acotan 4 5 6 sinh() cotanhO *1 23 0 tanh0c O Degrees O Radians CLEAR BACKSPACEF₁ = L1, B₂ чт вът Різі чом =1032 V R -Gv 100 qüdrh I 1 R2 R23 2. Four resistors and a 6.0-V battery are arranged as shown in the circuit diagram. Find the equivalent resistance of the circuit b. Find the current through the 10-Ohm resistor a. sonsufit c. Find the power delivered to the 10-Ohm resistor R₁-4092 -18V -18V 13 C+ D B=6V 6VI Azov I=I1 + 0.64 AQUOS to 218-12 = 30 I H = -1 R4-2002 14. 0.64 1₂V R₂-3002 -IA F 12V E R3=1092 holong s vivang to 6 DS sailwaqogani THOS T20 3. A horizontal wire of length 6.0m carries a current of 6.0A and is oriented so that Forth's magnetic field is due north at this
- The compressor on an air conditioner draws89.1 A when it starts up. The start-up time isabout 0.243 s.How much charge passes a cross-sectionalarea of the circuit in this time?Answer in units of C.A 120 volt household circuit has a 20 amp circuit breaker (maximum). A 600-Watt heater and a 60 ohm light are connected to this source in parallel: A) What is the current through the 60 ohm light? B) What is the resistance of the 600-Watt heater? C) What is the minimum resistance R which could be used in parallel as a third appliance without tripping the 20 amp circuit breaker?The diagram below shows a circuit where R₁ = 1, R₂ = 1 N, R3 = 3 , V₁ = 10 Volts, V₂ = 6 Volts, and V3 = 4 Volts. What is the value of I₁? In solving this problem, initially pick the current directions as shown. If the actual current turns out to be in the opposite direction, then your answer will be negative. If you get a negative number, enter it as negative. 2 R₁ V₁ 11 R₂ V₂ M R3 V3 J- 13