12 G - Swift Term 1 Exam Paper 2023-2024 PDF

# 12 G – Swift exam paper 2023 - 2024 ## Term 1 | Subject | Formulas | |---|---| | Static Electricity | $F = \frac{Kq_Aq_B}{r^2}$ | | Electric Fields | $E = \frac{F_{onq}}{q}$ <br> $E = \frac{Kq}{r^2}$ <br> $ΔV = \frac{W_{onq}}{q}$ <br> $ΔV = Ed$ | | Electric Current | $I = \frac{q}{t}...

# 12 G – Swift exam paper 2023 - 2024 ## Term 1 | Subject | Formulas | |---|---| | Static Electricity | $F = \frac{Kq_Aq_B}{r^2}$ | | Electric Fields | $E = \frac{F_{onq}}{q}$ <br> $E = \frac{Kq}{r^2}$ <br> $ΔV = \frac{W_{onq}}{q}$ <br> $ΔV = Ed$ | | Electric Current | $I = \frac{q}{t}$ <br> $P = IΔV$ <br> $P = I^2R$ <br> $R = \frac{ΔV}{I}$ <br> $P = \frac{E}{t}$ <br> $P = \frac{(ΔV)^2}{R}$ | A circuit contains: <br> - An ammeter - A switch - A battery - A potentiometer (variable resistor) **Which of the following cannot be used to change the electric current in the electric circuit shown in the figure?** - The ammeter. **The diagram shows energy transforming between different forms. Which of the following table rows shows the correct forms of energy in 1, 2 and 3?** | Stage | Energy Type | |---|---| | 1 | Potential energy | | 2 | Electric energy | | 3 | work done by motor | **When you rub two neutral objects such as rubber and wool together, they become charged. Which of the following statements correctly describes the combined total charge of the two objects?** - It equals zero. **Two copper wires with the same length and their resistances are $R_A$ and $R_B$. Each wire is connected to a battery with voltage V, so that a current passes across it, as shown in the figure. Which of the following statements is correct?** - $R_A = R_B$ <br> $I_A = I_B$ **Which of the following explains why diamond is classified as an insulator?** - Charges cannot move easily through diamond. **The figure shows a charged conducting irregular surface. At which of the points, shown on the figure, the electric field is strongest?** - C **The figure shows an electron in an atom. To which point should the electron be moved to increase its electric potential energy?** - A **Two identical, neutral, and insulated metal spheres are touching, as shown in the figure. If a negatively charged rod was brought close to one sphere without touching, which of the following figures correctly shows the charges on the two spheres?** - The figure shows the spheres with a negative charge on the left sphere and a positive charge on the right sphere. **The figure shows the electric field of three charges $q_1$, $q_2$ and $q_3$. Which of the following table rows indicates the correct type of each of the charges?** | Charge | Type | |---|---| | $q_1$ | + | | $q_2$ | - | | $q_3$ | + | **Which of the following figures correctly presents charging a neutral electroscope by conduction?** - The figure shows a positively charged rod touching the top of the electroscope. **A lightbulb has power of 60.0 W. How much electrical energy does it transform to radiant energy in 4.00 minutes?** - 14.4 kJ **The figure shows a test charge $q’$ placed at a point p near a charge q. The magnitude of the electric field at p is 200 N/C. What is the magnitude of the electric field at p if the test charge is doubled to 2q’?** - 200 N/C **The graph represents the amount of charge stored on one plate of a capacitor as a function of the electric potential across its plates. What is the capacitance of the capacitor?** - 2.5 × 10^-5 F **Which of the following is equivalent to Ampere (A)?** - C/s **Which of the following correctly defines the Coulomb (C)?** - The SI standard unit of charge.