Tips dalam menjawab Kertas 3 Fizik

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  • 1. Start writting the report by identify the manipulated and responding variable.2. Inference : Cause and effect (of the manipulated and responding variable)3. Hypothesis : ( manipulated variable ) Increase / Decrease, then ( responding variable ) increase / decrease

    4. Aim : To investigate the relationship between ( manipulated variable) and (responding variable).

  • 5. Apparatus : Dont Forget meter rule, stop watch etc6. Procedure : Must mention manipulated quantity,must mention method of measuring responding variable.

    8. Tabulate data and analyse data : must include UNITS.

    7. Data must have at least 5 set.

  • Diagram 4.1 shows Jason taking a shower on a very cold morning. After the water heater is switched on for a while, he still feels cold.Diagram 4.2 shows that Jason no longer feels cold after the temperature control knobon the heater is turned.

    Diagram 4.1 Diagram 4.2

  • MANIPULATED VARIABLES:

    THE ELECTRIC CURRENT

    RESPONDING VARIABLES:

    THE INCREASE IN TEMPERATURE

    CONSTANT VARIABLES:

    THE VOLUME OF THE WATER /TIME OF HEATING / LENGTH OF WIRE / DIAMETER OF WIRE

    (1 M)(2 M)

  • THE TEMPERATURE OF THE WATER DEPENDS ON THE ELECTRIC CURRENT

    THE ELECTRIC CURRENT AFFECT THE TEMPERATURE OF THE WATEROR(3 M)

  • THE HIGHER THE ELECTRIC CURRENT, THE HIGHER THE TEMPERATURE OF THE WATER

    (4 M)

  • TO INVESTIGATE THE RELATIONSHIP BETWEEN THE ELECTRIC CURRENT AND THE TEMPERATURE OF THE WATER

    (5 M)

  • BEAKER,

    AMMETER ,THERMOMETER, IMMERSION HEATER ,POWER PACK , CONNECTING WIRE,RHEOSTAT,WATER AND STOPWATCH(6 M)

  • BEAKER RHEOSTATTHERMOMETERIMMERSION HEATERWATERSWITCHAMMETER(7 M)

  • CONTROL AND MEASURE THE(MV)

    RECORD THE INITIAL TEMPERATURE OF THE WATER,0.1SWITCH IS ON AND ADJUST THE RHEOSTAT UNTIL THE AMMETER READING , I = 0.2 A.(8 M)

  • HOW TO MEASURE THE (RV)

    RECORD THE FINAL TEMPERATURE, F AFTER 5 MINUTES BY USING THE STOP WATCH.2 REPEAT3REPEAT THE EXPERIMENT WITH DIFFERENT ELECTRIC CURRENT, 0.3 A, 0.4 A,0.5 A AND 0.6 A .(9 M)(10 M)

  • I/AINITIAL TEMPERATURE(0 / 0C)FINAL TEMPERATURE(f / 0C)INCREASE IN TEMPERATURE( / 0C)INCREASE IN TEMPERATURE0.10.20.30.40.50.20.30.40.50.6(11 M)

  • GRAPHI / A / 0C