Ohm’s Law and Its Limitations
« Previous Topic: Miscellaneous Problems on Current Electricity Next Topic: RC Circuits »
Join With Us for More Updates
PHXII03:CURRENT ELECTRICITY

357470 Which of the following statement is correct?

1 There is no relation between current and p.d for liquids.
2 Liquids obey fully the ohm’s law.
3 Liquids obey partially the ohm’s law.
4 None of the above.
PHXII03:CURRENT ELECTRICITY

357471 Assertion :
Voltage is not proportional to current in the case of non-ohmic devices.
Reason :
Voltage is equal to product of resistance and current as per ohm's law.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII03:CURRENT ELECTRICITY

357472 The \(I\)-\(V\) graphs for two different electrical appliances \(P\) and \(Q\) are shown in the diagram. If \({R_P}\) and \({R_Q}\) be the resistances of the devices, then
supporting img

1 \({R_P} = {R_Q}\)
2 \({R_P} > {R_Q}\)
3 \({R_P} < {R_Q}\)
4 \({R_P} = \frac{{{R_Q}}}{2}\)
KCET - 2018
PHXII03:CURRENT ELECTRICITY

357473 Which part represents the negative dynamic resistance?
supporting img

1 \(A B\)
2 \(B C\)
3 \(C D\)
4 \(D E\)
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII03:CURRENT ELECTRICITY

357470 Which of the following statement is correct?

1 There is no relation between current and p.d for liquids.
2 Liquids obey fully the ohm’s law.
3 Liquids obey partially the ohm’s law.
4 None of the above.
PHXII03:CURRENT ELECTRICITY

357471 Assertion :
Voltage is not proportional to current in the case of non-ohmic devices.
Reason :
Voltage is equal to product of resistance and current as per ohm's law.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII03:CURRENT ELECTRICITY

357472 The \(I\)-\(V\) graphs for two different electrical appliances \(P\) and \(Q\) are shown in the diagram. If \({R_P}\) and \({R_Q}\) be the resistances of the devices, then
supporting img

1 \({R_P} = {R_Q}\)
2 \({R_P} > {R_Q}\)
3 \({R_P} < {R_Q}\)
4 \({R_P} = \frac{{{R_Q}}}{2}\)
KCET - 2018
PHXII03:CURRENT ELECTRICITY

357473 Which part represents the negative dynamic resistance?
supporting img

1 \(A B\)
2 \(B C\)
3 \(C D\)
4 \(D E\)
NEET DIGITAL LIBRARY
PHXII03:CURRENT ELECTRICITY

357470 Which of the following statement is correct?

1 There is no relation between current and p.d for liquids.
2 Liquids obey fully the ohm’s law.
3 Liquids obey partially the ohm’s law.
4 None of the above.
PHXII03:CURRENT ELECTRICITY

357471 Assertion :
Voltage is not proportional to current in the case of non-ohmic devices.
Reason :
Voltage is equal to product of resistance and current as per ohm's law.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII03:CURRENT ELECTRICITY

357472 The \(I\)-\(V\) graphs for two different electrical appliances \(P\) and \(Q\) are shown in the diagram. If \({R_P}\) and \({R_Q}\) be the resistances of the devices, then
supporting img

1 \({R_P} = {R_Q}\)
2 \({R_P} > {R_Q}\)
3 \({R_P} < {R_Q}\)
4 \({R_P} = \frac{{{R_Q}}}{2}\)
KCET - 2018
PHXII03:CURRENT ELECTRICITY

357473 Which part represents the negative dynamic resistance?
supporting img

1 \(A B\)
2 \(B C\)
3 \(C D\)
4 \(D E\)
Join With Us for More Updates
PHXII03:CURRENT ELECTRICITY

357470 Which of the following statement is correct?

1 There is no relation between current and p.d for liquids.
2 Liquids obey fully the ohm’s law.
3 Liquids obey partially the ohm’s law.
4 None of the above.
PHXII03:CURRENT ELECTRICITY

357471 Assertion :
Voltage is not proportional to current in the case of non-ohmic devices.
Reason :
Voltage is equal to product of resistance and current as per ohm's law.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII03:CURRENT ELECTRICITY

357472 The \(I\)-\(V\) graphs for two different electrical appliances \(P\) and \(Q\) are shown in the diagram. If \({R_P}\) and \({R_Q}\) be the resistances of the devices, then
supporting img

1 \({R_P} = {R_Q}\)
2 \({R_P} > {R_Q}\)
3 \({R_P} < {R_Q}\)
4 \({R_P} = \frac{{{R_Q}}}{2}\)
KCET - 2018
PHXII03:CURRENT ELECTRICITY

357473 Which part represents the negative dynamic resistance?
supporting img

1 \(A B\)
2 \(B C\)
3 \(C D\)
4 \(D E\)
For More Updates join with Us