1 Two charges, q 1 0 3 mC (or 0 3x10 3 C) and q 2 0 5 mC (or 0 5x10 3 C), are separated by a distance of r 0 5m What is the magnitude of the electrostatic force between them Give your answer in units of Newtons 2 Two charges, q 1 1 mC (or 1x10 3 C) and q 2 2 mC (or 2x10 3 C), are separated by a distance of r 3m What is the magnitude of the electrostatic force between them Give your answer in units of Newtons 3 Two protons of mass m p 1 67x10 27 kg and charge e 1 602x10 19 C, are separated by a distance of r 1 2m If the protons were released, what would be the magnitude of their initial acceleration Answer in units of m s 2 4 Charges q 1 3 mC (or 3x10 3 C), q 2 5 mC (or 5x10 3 C) and q 3 2 mC (or 2x10 3 C) are arranged in an equilateral triangle with sides r 2m What is the electric potential energy, U e , of the charge configuration Answer in units of Joules (J) 5 A resistor, R 200 , is connected across a voltage source If the resistor draws a current of I 0 33 A, what is the voltage of the source Answer in units of Volts (V) 6 A resistor, R 200 , is connected across a V 10V voltage source What is the current through the resistor Answer in units of Amps (A) 7 A current of I 0 05 A runs through a resistor connected across a V 10V voltage source What is the resistance of the resistor Answer in units of Ohms ()

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1. Two charges, q 1 = 0.3 mC (or 0.3x10 -3 C) and q 2 = 0.5 mC (or 0.5x10 -3 C), are separated by

1. Two charges, q₁ = 0.3 mC (or 0.3x10^-3 C) and q₂ = 0.5 mC (or 0.5x10^-3 C), are separated by a distance of r = 0.5m. What is the magnitude of the electrostatic force between them? Give your answer in units of Newtons.

2. Two charges, q₁= 1 mC (or 1x10^-3C) and q₂= -2 mC (or -2x10^-3C), are separated by a distance ofr= 3m. What is the magnitude of the electrostatic force between them? Give your answer in units of Newtons.

3. Two protons of massm_p = 1.67x10^-27 kg and chargee = 1.602x10^-19 C, are separated by a distance ofr = 1.2m. If the protons were released, what would be the magnitude of their initial acceleration? Answer in units of m/s².

4. Charges q₁= +3 mC (or +3x10^-3C), q₂= +5 mC (or +5x10^-3C) and q₃ = -2 mC (or -2x10^-3 C) are arranged in an equilateral triangle with sidesr= 2m. What is the electric potential energy,U_e, of the charge configuration? Answer in units of Joules (J).

5. A resistor,R = 200 , is connected across a voltage source. If the resistor draws a current ofI = 0.33 A, what is the voltage of the source? Answer in units of Volts (V).

6. A resistor,R = 200 , is connected across aV = 10V voltage source. What is the current through the resistor? Answer in units of Amps (A).

7. A current ofI = 0.05 A runs through a resistor connected across a V = 10V voltage source. What is the resistance of the resistor? Answer in units of Ohms ().