Problem 1: Consider a large 1.54 V carbon-zinc dry cell used in a physics lab to supply 2.25 A to a circuit. The internal resistance of the cell is 0.055 0. Part (a) What is the terminal voltage, V, of the cell, in volts? Numeric : A numeric value is expected and not an expression. V= Part (b) What is the total electric power, P, in watts, that the cell produces? Numeric : A numeric value is expected and not an expression. P = Part (c) How much power, PL, in watts, is supplied to the external circuit? Numeric : A numeric value is expected and not an expression. PL = Problem 2: Suppose the operating resistance of a flashlight bulb is 2.5 $2, and it is powered by a 1.5/ V alkaline cell having a 0.115 2 internal resistance. Part (a) What is the current, I, in amperes? Numeric : A numeric value is expected and not an expression. 1 = Part (b) How much power, P, in watts, is being supplied to the bulb? Numeric : A numeric value is expected and not an expression. P = Problem 3: Three identical resistors are connected in series to an ideal battery of 12 V. The current which flows through the battery is measured to be 1 A. Which statement is true about this situation? MultipleChoice : 1) Current through each resistor is 1A. 2) All of these statements are true. 3) The power dissipated in each resistor is 4W. 4) Each resistor has resistance of 4 Ohm. 5) The voltage drop on each resistor is 4V.Problem 4: A circuit contains a voltage source with potential Vo, two identical light bulbs, and a switch. Bulb B Bulb A When the switch is in the closed position, how does the potential difference across Bulb A compare to the potential difference across Bulb B? MultipleChoice 1) The potential difference across Bulb A is greater than the potential difference across Bulb B. 2) The potential difference across Bulb A is less than the potential difference across Bulb B. 3) The potential difference across Bulb A is equal to the potential difference across Bulb B. 4) The potential difference across Bulb A has no relationship to the potential difference across Bulb B. Problem 5: A circuit made up of 6 resistors is shown in the figure, with resistances R, = 12 92, R2 = 45 92, R3 = 46 $2, R4 = 69 92, Rs = 81 2, and R6 = 64 2. The total current going through the circuit is I = 19.5 A. R 5 Otheexpertta.com Part (a) Express the equivalent resistance of the combination of R4, R5, and R6. Expression : Reg Select from the variables below to write your expression. Note that all variables may not be required. a, p, 0, d, g, I, m, R, R1, R2, R3, R4, R5, R6, t Part (b) Express the equivalent resistance of the combination of R3, R4, R5 and R6. Expression : R'eq Select from the variables below to write your expression. Note that all variables may not be required. a, B, 0, d, g, I, m, R, R1, R2, R3, R4, R5, R6, t Part (c) Express the equivalent resistance R of the combination of R 1, R2, R3, R4, R5 and R6. Expression R = Select from the variables below to write your expression. Note that all variables may not be required. a, p, 0, d, g, I, m, R, R1, R2, R3, R4, R5, R6, t Part (d) Calculate the numerical value of the equivalent resistance R in 2. Numeric : A numeric value is expected and not an expression. R= Part (e) Express the potential difference between a and b, 4, in terms of the total current / and the equivalent resistance of the entire circuit R. Expression : AV = Select from the variables below to write your expression. Note that all variables may not be required. a, p, 0, d, g, I, m, R, R1, R2, R3, R4, R5, R6, t Part (f) Calculate the numerical value of AV in V. Numeric : A numeric value is expected and not an expression. AV =