In this experiment, you measured a resistor multiple times and obtained a mean resistance 33.7N. If the reference resistance value is 32N, what is the percent error of your measurement? (Please submit your answer without the % sign.)
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A: R=ρLπd2/4=4ρLπd2=41.68×10-8Ω⋅m22 mm10-3 m1 mmπ1.628 mm10-3 m1 mm2=1.78×10-4 ohm
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A: Given:I=3.0 AR=7Ω
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A: Current = i = 0.93 mA E1 = 2.2 V E2 = 3.4 V
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A: a)The relation between resistance, resistivitylength & cross sectional area isRo=ρLA
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- During an experiment to verify Ohm's law, the current and resistance of a circuit are measured. [Resistance is measured in Ohm (2) and current in Ampere (A)]. www R +. Battery The measured value of the current is I = 2.3±0.2 A and that of the resistance is R = 10±0.3 0. The voltage applied (in Volts) can be calculated using the formula, V = IR. Calculate the, a) Voltage applied in the circuit (in Volts) = %3! b) Fractional uncertainty in the voltage = c) Absolute uncertainty (in Volts) in the voltage %3!Determine the resistance of metal tube in term of the external diameter D, the internal diameter d , the length l and the resistivity. Calculate the resistance of a copper tube 0.5cm thick and 2m long. The external diameter is 10cm .cmA tungsten filament has a resistance of 1998 ? at 20°C. What will its resistance be at 263°C? 5.19 A chromel–alumel thermocouple is placed in a 1773°F furnace. Its reference is 67°F. What is the output voltage from the thermocouple?
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