Calculate the current through resistor R₁. Give your answer in units of milliamperes. Please enter a numerical answer below. Accepted formats are numbers or "e" based scientific notation e.g. 0.23, -2, 1e6, 5.23e-8 Enter answer here mA
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- An electric device draws 6.10 AA at 240 VV. If the voltage drops by 25 %, what will be current, assuming nothing else changes? Express your answer to two significant figures and include the appropriate units. I final= If the resistance of the device were reduced by 25 %, what current would be drawn at 240 VV? Express your answer to two significant figures and include the appropriate units. I final=A TV works properly under the voltage of 4V= 110 V with power P = 1560 W. Express the current I through the power P and the voltage AV. I = Calculate the working current of the TV in A. I = Express the resistance R through the voltage AV and the current I. R = |Calculate the numerical value of R in 2. R =(1) What is a definition of electric current? Label the variables. (2) Suppose that 1016 electrons pass through a cross-section of a wire each second. What is the current in the wire? (3) The current in a wire varies with time according to the relation / = 5+3t where I is in amperes andt is in seconds. What is the number of coulombs of charge that pass a cross section of the wire between t=3s and t=5s?
- Solve the following: 1. How many nanocoulomb are there in 3.65 billion electrons ? 2. A 25 ampere electric current flows in a conductor in 75 millisecond. Find: a. current equivalent in mA? b. How many charges are transferred ? c. How much work is required to transfer if 3V is applied. 3. A charge of 3.5 µC present in an electric field produces a force of 0.008 Newton. What is the intensity of the electric field ? 4. A charge of 0.6 µC is placed in an electrostatic field whose intensity is 3 x 105 N/C. How strong is the force acting on the charge ? 5. Two objects are both negatively charge with 0.04 coulomb each and 140 cm apart. What kind of force exist Between charges? How much? 6. Find the force that exist between two charges of 8.53 μC and 4.5 µC that 0.25 meters in air?The following three questions refer to the figure below. a) Calculate the current through R₂. Use the following values: &,-8.1 V, ₂-6 V, R=R₂=7.90 and R₂ =2R₂. Enter your answer accurate to two decimals figures. E₂ R₁ ww E1 O a. 0.51 O b. 0.26 O c.0.34 O d. 1.03 R₂ www R3 a blIn the circuit shown, the potential difference R, VA = V8 = 16.0 V and the resistance R = R2 = R3 = R4 = 255 2. The arrows for currents IA and Ig indicate the direction of positive current flow. The arrows do not necessarily indicate the direction of the actual current flow at those points. R. R. Determine the current IA. R, 7.94785 IA A Incorrect Determine the current Ig. 7.92695 Ig = A Incorrect
- R = Two identical resistors of Ro= 41 Q are connected head-to-tail. www Express the resistance Ro of one of the resistors in terms of the resistivity p, length L, and the cross section area A. Calculate the total resistance R of the two resistors in ohms. R RFind the current I through the circuit.I= (mA). Find the voltage across each resistor. Give your answer as a comma-separated list in unit of volt, as an absolute value. potential drops across R1, R2, R3, R4, and R5 (in volt, in order): What is the power supplied by the batteries—that is, the power dissipated or consumed by the circuit?P= (W).tòr: I. Multiple Choice. Write the letter of the correct answer on the space provided before the number. 1. The current in a wire A. depends only on the potential difference applied B. depends only on the resistance of the wire C. depends on both resistance and potential difference D: does not depend on resistance and potential difference 2. When a current I flows through a resistance R for time t, the electrical energy spent is given by_ A. IRt B. 12R C. IR²t D. 3. Which of the following statements does noi represent Ohm's law? A. current / potential difference = constant B. potential difference / current = constant C. potential difference = current x resistance D. current = resistance x potential difference 4. The resistance of an electric bulb drawing 1.2 A current at 6.0 V is A. 0.50 W 5. The charge on an electron is known to be 1.6 × 10¬19 C. In a circuit, the current flowing is 1 A. How many electrons will be flowing through the circuit in a second? B. 5.0 W C. 0.20 W D. 2.0 W A.…
- For the circuit shown in the figure below, determine voltages (voltage drops) Vị, V2 , absolute voltage Va at node a versus ground, and circuit current I. Express voltages in volts and current in milliamperes. Keep three significant digits. You are given Vs = 10 V. + + V, - 8 kO a + 14 4 kΩ. V2 Vs 4 ΚΩΣ OV -QI) Answer the following as True or False a- During the Specific Charge of Copper experiment, the quantity I t is constant. b- The potential difference betwveen the anode and cathode during the Electric Field Mapping experiment depends on the position of the sliding contact along the rheostat. c- The ratio I/N for an Ohmic conductor is constant and equal to the resistance of the conductor. d- The equivalent resistance of an Ohmic resistance and a non-Ohmic resistance connected in series is their sum.In the schematic below two batteries are in series and drive current through the circuit as shown. The first resistor has a voltage drop AV₁ = 1.2 V, the middle resistor has a resistance of R = 64, and the last resistor has a voltage drop AV₂ = 1 V. Given these parameters, what is the magnitude of current flowing through the circuit in milli-amps (mA)? Giver your answer to 3 significant figures. AV, ww 3.0 V 4.5 V ww ΔV, ww R