eLabTostDC × Elementary physic xC (64)ElectricForceXVE.pat(4).pdf uízattempt.php

Question

eLabTostDC × Elementary physic xC (64)ElectricForceXVE.pat(4).pdf uízattempt.php?attempt=191 6456 ton Central MyCarleton Email 8896H, Tue 9:09 PM a 2) Find The Currer X d in as Arezo Pattang (Log Answer: On a resistor you find the following color code red, black, brown, silver. The value of the resistance is (in Ohms) Select one: O a. 20 +/-2 Ob. 20 +/- 1 c. 200+/-20 O d. 200 +/- 10 Oe. 2000+/-100 29 cm shows a resistance of R = 72 Ohms. The resistivity of the material having radius r= 1.7 mm and length L the wire is made of is (in Ohm x mm)

Explanation / Answer

Colurs are Red,Black,Brown ,Silver

Resistance is calculated as

R = 1st Digit x 10 + 2nd Digit) x Multiplier

R=(Red*10+Black)*brown=(20+0)*10=200 ohm

for silver ,tolerence power is 10%

so 200+/-10 is correct answer

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