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Question 1 of 10
1. Question
1 pointsIn an electrical circuit, what happen to the current flowing through the wire if voltage is reduced to the half and resistance of the wire is doubled:
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Question 2 of 10
2. Question
1 pointsThe ratio of voltage and electrical current in a closed circuit:
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Question 3 of 10
3. Question
1 pointsWhich of the following curve represents Ohm’s Law:
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Question 4 of 10
4. Question
1 pointsOhm’s Law is applicable to Semi Conductor circuits:
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Question 5 of 10
5. Question
1 pointsOhm’s Law is independent of the temperature variation of the circuit:
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Question 6 of 10
6. Question
1 pointsOhm’s Law is applicable for both Bilateral and unilateral circuits:
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Question 7 of 10
7. Question
1 pointsA Circuit supplied with 110V carries 5 Amps Current. Calculate the Resistance value of the circuit
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Question 8 of 10
8. Question
1 pointsCalculate the Power in a circuit having a resistance value of 10 ohms and current flowing through the circuit is 5 Amps.
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Question 9 of 10
9. Question
1 pointsCalculate the Resistance value in a closed circuit supplied with 110V and power consumed in the circuit is 100 watts:
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Question 10 of 10
10. Question
1 pointsCalculate the power consumed in a three parallel circuit having 1 ohm resistors and is supplied 5V battery source.
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OHM’s Law Theory:
If I is the current flowing through the conductor when a potential difference V is applied, then according to Ohm’s Law the relation between the applied potential difference V and flowing current I is give by
I α V and I = V/R
where
 I is the current in amps
 V is the applied potential difference and unit is volts
 R is in Resistance of the material and the unit is Ohm
Ohm’s Law may be defined as:
The current flowing through the conductor is directly proportional to the applied potential difference (voltage) across its ends when the physical state i.e, temperature etc are remain constant
It can also defined as:
The ratio of the potential difference applied across a conductor and current flowing through it remains constant provided physical state i.e, temperature etc of the conductor remains constant
V/I = Constant = R where R is known as the resistance of the conductor
Ohm’s law cannot be applicable for circuits consists of electronic valves or thyristors, diodes etc because these elements are not bilateral – i.e, they behave in different way, when the direction of flow of current is reversed as in the case of a diode.
Ohm’s law cannot be applied to the circuits consisting of nonlinear elements such as thyrite, electric arc etc.