Current electricity questions | form six Physics
Find Current electricity examination questions, form six Physics in acaproso.com
| # | Question |
|---|---|
| 1 | Mention four types of energy losses suffered by a transformer. Short answers |
| 2 | Why choke coil is preferred over resistance to control alternating current? Short answers |
| 3 | Identify two difficulties which would arise when two straight wires are used to transmit Short answers |
| 4 | Explain what could be done to light a 30 V bulb from a 220 volt A.C. supply? Short answers |
| 5 | A series LCR circuit with inductance, L=0.12 H, capacitance, C=480nF and resistance, (i) Maximum current flowing in the circuit. Mathematical Calculation |
| 6 | What is the advantage of using a greater length of potentiometer wire? Short answers |
| 7 | Why is a Wheatstone bridge not suitable for measuring very high resistance? Short answers |
| 8 | Study the circuit diagram in Figure1 then answer the questions that follow:
If the value of R1=R2=R3=R4=1.0Ω, R5=2Ω, E2=E3=4V, E1=2.0V, calculate the; Mathematical Calculation |
| 9 | List two factors on which the resistivity of a material depends. Short answers |
| 10 | A wire of resistivity ρ is stretched to double its length, what will be its new resistivity? Short answers |
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