Current Attempt in Progress Use Kirchhoff 's junction and loop rules to determine (a) the current /₁, (b) the current l2 and (c) the current 13 through the three resistors in the figure. D E 4.2002 F (a) Number i (b) Number i (c) Number i 5.60 Ω 13 8.40 Ω 12 B A 5.00 V G H Units Units Units
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- 4. The Voltmeter connected across load (Bulb) will measure [Choose any one answer] Potential Difference + 5. A constant current source supplies a electric current of 200 mA to a load of 2kn. When the load changed to 500, the load current will be O700mA O8A O12A O9mA 6. To measure A.C voltage the knob should be atHow long willit take a charged 80 uF capactor to lose 37%% of its initial energy when it is allowed to discharge through a 45 O resistor? a. 3.58 ms O b. 1.66 ms Oc 1.79 ms O d. 0.51 ms Oe. 0.83 ms Next page Dage Introduction to Phys102> Jump toR. R. в Figure A1 1. 4 resistors with resistance 25-2, 18-2, 10-N, 5-N are connected in parallel as shown in Figure A1. The least current will flow through A. 25-2 resistor B. 18-2 resistor C. 10-2 resistor D. 5-Ωresistor ww +1
- Which of the following schematics represents a normal current flow? Oa. DC excitation Diode Field Ob. DC excitation Diode FieldIn the left figure, create two formulations/equations of the currents IT, I1, I2, & I3 using the conceptof KCL. On the other hand, create two formulations/equations of the given voltages using theconcept of KVL on the right figure.Q Paper and pen Scientific Calculator Author: Juzalin P. Costuya School/Station: Panikian National High School Division: Surigao del Sur Email address: juzalin.costuya@deped.gov.ph What to do: Solve the given problems below. Write your solutions in a separate sheet of раper. 1. An incandescent bulb allows 114 mA of current to pass through when connected to a 220 V source. What is the resistance of the bulb? 2. What amount of current flows through a 90.0 2 wire when it is connected to a 120 V source? How many electrons pass through the wire every second? (Note: 1 Coulomb = 6.25 x 1018 electrons) 3. A platinum wire 1.50 mm in diameter conducts a current Of 9.00 A. Find the potential difference between two points on the wire 125 m apart? (p of platinum = 0.11 x 10-6 2.m) 4. The figure below shows a source (a battery) with emf ɛ = 12 V and internal resistance r = 2 2. A 6 0 resistor is added to the battery, forming a complete circuit. What are the voltmeter and ammeter readings Vab and I…
- Review | Constants Part A A 8.6x10-4 V/m electric field creates a 2.5x1017 electrons/s current in a 1.3-mm-diameter aluminum wire. The density of mobile electron of aluminium is 6.0 × 1025 /m What is the drift speed? Express your answer using two significant figures. > View Available Hint(s) va = m/s Submit Part B What is the mean time between collisions for electrons in this wire? Express your answer using two significant figures. • View Available Hint(s) Hνα ΑΣφ ?АCTIVITY 4.1 Instruction: Identify the name of the components from the 1st table. Choose from the 2nd table and write the letter of the correct answer. (2 points each) No. Symbol No. Symbol 1 6 2 7 40 3 8 4 9. 10 A. AC Source D. Diode I. Fixed resistor B. Battery E. Inductor J. Variable resistor C. Bulb / Lamp G. Ground K. Closed Circuit D. Conducting path H. Transistor L. Open Circuitela R L 2L lenda 6 Pail 1) Consider two cylindrical copper resistors (wires). The shorter wire length L and radius R. The longer wire has length 2L and radius. a) Call the resistance of the shorter wire Rs and the resistance of the longer wire RL. What is RL in terms of Rs b) At a Constant voltage V what are the respective currents Is and IL in terms of Rs or RL? Which has a greater current.
- TOUR TEACHER A revolutionary new resistor has been developed! Unfortunately, the scientists who were studying the resistor accidentally and irreversibly turned themselves into cockroaches The table below was discovered in the scientists' lab but as you can see it is incomplete. Using your knowledge of physics determine what the missing values should be. Trial current (A) voltage (V) 2 3 8.9 1.2 164.65 75.85A transformer for a transistor radio reduces 120 V ac to 9.0 V ac. The secondary contains 30 turns and the radio draws 400 mA. Calculate a. the number of turns in the primary b. the current in the primary c. the power transformed0.15m R:0.05m R. 104C switch Two metel spher are far onongh apant to be amsidered churged When'thi switch is closed as isoleded d, Initially one is Churgrd and the odher is uncharged charge distribules uilibrium is uached. whatis thu charge what is the change in freu oner both undil e on each in aquilLbenama? 2oand f the charge in he eneigy fim mikal stom ao mad skate? imitkulhart male