Physics crossword 9 0.0 / 5 ? PhysicsGeneralA2/A-levelOCR Created by: EMHartley13Created on: 22-05-17 08:44 683251947 Across 1. a force acting in the direction of the equilibrium position, in simple harmonic motion (9, 5) 4. for the discharge circuit of a capacitor, the product RC of the resistance in the circuit and the capacitance - the time taken for the p.d. and charge C on a capacitor to fall to 1/e of their original values when discharging through resistance R (4, 8) 5. an older term for a generator now sometimes reserved for a d.c. generator (6) 7. an oscillation driven by the action of a periodic driving force (6, 11) 9. a strong bond between the ion cores in a solid metal due to a delocalised electron 'gas' circulating in the lattice (8, 4) Down 2. arises from the superposition of waves on top of one another. It is produced if waves from two coherent sources overlap of if waves from a single source are divided and then reunited (12) 3. used to represent amplitude and phase in a wave. It is a rotating arrow used to represent a sinusoidally changing quantity (6) 6. symbol G, is the ratio I/V for a circuit component, and is measured in siemens (S) (11) 8. is a material composed of two or more metals, or a mixture of metals and other materials (5)
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