Predict the relative brightness of bulbs
What does your prediction imply about the relative currents through the batteries? Explain.
Have a tutorial instructor show you these circuits so that you can check your answers.
Resolve any conflicts between your answers and your observations.
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- Consider the circuit shown in the figure. Suppose the four resistors in this circuit have the values R1= 13 Ω, R2= 6.1 Ω, R3= 8.0 Ω, and R4 = 10 Ω, and that the emf of the battery is E= 15 V A) Find the current through each resistor using the rules for series and parallel resistors. Express your answers using two significant figures separated by commas. B) Find the current through each resistor using Kirchhoff's rules. Express your answers using two significant figures separated by commas.arrow_forwardWhat is the current read by the ammeter in the circuit below? Let R1 = 1 kiloohm, R2 = 2 kiloohm, R3 = 3 kiloohm, and the emf of the ideal source is 5 volts. Input R1, R2, and R3 for resistors R1, R2, and R3 respectively. Input E for the emf €. Use context clues to figure out if you need to input a numerical value, variable, word, etc. All numerical answers should be in three significant figures. %3D R1 R2 R3 (A First we calculate the current across each resistor. From Ohm's law, we arrive at a general formula for current:arrow_forwardState which of the following statements are true and which are false. Give reasons for your answers. a) A very simple circuit consists of a battery connected across a resistor. In this circuit, the battery and the resistor are both in series and also in parallel. b) A resistor R and a capacitor C connected in series combine as = + 1 1 RC R c) Natural uranium is not radioactive until it has been processed by enrichment for use in fission reactors or bombs. d) Infrared light is more likely to cause electrons to be emitted from a metal than ultraviolet light. e) Special and General Relativity effects both matter for the operation of GPS, the former slow- ing down the clocks on GPS satellites relative to clocks on Earth and the latter speeding them up.arrow_forward
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