A net charge of 20 C passes a location in a wire in 1.25 min. How long does it take for a net 30-C charge to pass that location if the current in the wire is doubled?
Answer to relevant QuestionsCar batteries are often rated in “ampere-hours” or A ∙ h. (a) Show that the has units of charge and that 1 A ∙ h = 3600 C. (b) A fully charged, heavy-duty battery is rated at and can deliver a current of 5.0 A ...Some states allow the use of aluminum wire in houses in place of copper. (a) If you wanted the resistance of your aluminum wire to be the same as that of copper (assuming the same lengths), would the aluminum wire have to ...The wire in a heating element of an electric stove burner has a 0.75-m effective length and a 2.0 x 10-6 ∙ m2 cross-sectional area. (a) If the wire is made of iron and operates at 380oC, what is its operating resistance? ...Figure 17.18 shows data on the dependence of the current through a resistor on the voltage across that resistor. (a) Is the resistor ohmic? Explain your reasoning. (b) What is the value of its resistance? (c) Use the data ...If the heater in Exercise 39 is efficient, how long would it take to heat 50 gal of water from 20oC to 80oC?
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