(a) In the figure what value must R have if the current in the circuit is to be 1.1 mA? Take ɛ1 = 3.0 V, ɛ2 = 4.3 V, and r1 =r2 = 3.5 Q. (b) What is the rate at which thermal energy appears in R? R (a) Number i Units (b) Number i Units
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- Two resistors R1 and R2 are connected in series and parallel. The values of the resistances are:R1 = 50.0 ± 0.05 R2 = 25.0 ± 0.06 Calculate the uncertainty in the combined resistance for both the series and the parallel arrangementsPlease AsapA fully charged capacitor with capacitance of C= 80 uF is being discharged. If the total electric resistance of the circuit is 24.0 k and the initial voltage of capacitor is V=10 V, then: a) How long does it take for the capacitor to discharge by 70%? b) Calculate the energy lost from the capacitor by this time? c) Calculate the heat energy produced in the resistor by this time. d) Are the values of energies in parts c and d expected to be the same? Explain.
- (a) In the figure what value must R have if the current in the circuit is to be 1.2 mA? Take 8 = 1.7 V, E2 = 4.3 V, and r1 = r2 = 2.8 Q. (b) What is the rate at which thermal energy appears in R? (a) Number i Units 4 (b) Number i UnitsThe resistance R to the flow of blood varies directly with a blood vessels length L and inversely with the 4th power of its radius r. If R = 144 when L = 24 and r = .5 find an equation relating R, l, and r. Find R if L = 6 and r = .25.Problem 5: A current of I- 2.6 A passes through the circuit shown, where R- 65 3R 5R V) 2R 6R 2R 7R 5R 10R Otheexpertta.com Part (a) In terms of R, I, and numeric values, write an expression for the voltage of the · source, V. Part (b) What is the voltage, V in volts? tan( sin() cotanO a acos cosh0t cosO asin() acotan 4 5 6 sinh() cotanhO *1 23 0 tanh0c O Degrees O Radians CLEAR BACKSPACE