85. Consider the circuit shown below. (a) Find the current through each resistor. (b) Check the calculations by analyzing the power in the circuit.
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- 12. What is the equivalent resistance of these two resistors? A) 0.48Ω Β) 2.1Ω C) 10Ω D) 21Ω Page 6 3Ω {{7Ω ΖΩ και2a) What is the equivalent resistance if all three resistors are connected in parallel across the 12 Volt battery? 2b) What is the current through the battery when the 2c) What is the current through the 20 resistor resistors are connected in parallel? when the resistors are connected in paralleľ?1. The five identical lightbulbs shown in the circuit below are glowing. What is the order of brightness of the bulbs, from brightest to dimmest? Some may be equal. Te
- 3. In the circuit below, both batteries have insignificant internal resistance. 9 Ω R 3 A 36 V (a) Find the unknown resistance R. (b) Find the unknown emf E. 3 Ω E |+ 202 }6n 5 A2. In the circuit shown below, the voltmeter has an internal resistance of 100 kn & the ammeter has a negligible resistance. (show all needed calculations for a, b, c, d, & e below). 100 KS V a. What is the equivalent resistance, Rp, of the voltmeter & the resistor? R = + A F x = 0.015 100 200 200 ΚΩ Rp = 0.015 = 66.7 KSL 50 V b. How much current, I, is the ammeter reading? c. What is the voltmeter reading, V? d. What is the % E between the calculated value for R & the value given in the circuit diagram? e. How can we reposition the voltmeter to reduce this error, & why will this position work?QUESTION 4 1. Two resistors are identical. They can be connected in series or in parallel. If you want the smallest equivalent resistance for the combination, how should you connect them? O a. neither O b.in parallel O c. either way because both combinations have the same resistance O d. in series Click Save and Submit to save and submit. Click Save All Answers to save all answers.