# 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

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