Q2. [TYPE C] A 100 kg beam is supported by a pin at A and a cable at B. Determine the magnitude of the reaction(s) at the pin A and the tension in cable BC to keep the beam in static equilibrium. C 60⁰ AO 0.7 m 0.3 m 8 kg/m B 0.3 m

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Electric Circuit and Components

An electrical circuit or electrical network is a pre-determined pathway to make the electrons flow in the desired direction. The flow of electrons will set up a current flow in the circuit. Normally, the flow of electrical current is opposite to the flow of electrons. An electron is a fundamental sub-atomic particle of an atom possessing a negative charge. To initiate the flow of current and achieve the desired output, the electrical circuit should necessarily be composed of closed pathways. The pathways are made-up of good conductors of electricity such as aluminium and copper.