Electronics - Voltage and Current - Discussion

Discussion Forum : Voltage and Current - General Questions (Q.No. 4)
4.
A voltage will influence current only if the circuit is:
open
insulated
high resistance
closed
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
71 comments Page 1 of 8.

Ruchi said:   1 decade ago
If the circuit will closed, then only currrent will flow throughtout the circuit and by Ohm's law, V = IR.

Sundar said:   1 decade ago
To flow the current the electron-hole pairs should be recombined that is done when only the circuit is closed.

Oksbwn said:   1 decade ago
If circuit is not closed their will be no flow of electrons and hence no current.

Hilal said:   1 decade ago
Electrons cannot reach the positive pole without completion circuit and hence no current flow.

Kavitha said:   1 decade ago
General:

open circuit = no current flow.

Closed circuit = current flow.

It would be differ under logic gate condition.

Uma maheswararao said:   1 decade ago
Current flows in closed circuits only. At open terminals voltage is infinity that is maximum, where as current will be zero. In case short circuits, voltage is zero and current will be maximum.

So, voltage is inlfuence the current in closed circuits only.

Swapnil said:   1 decade ago
From Ohm's law,
Current(I)=Voltage(V)/Resistance(R)

So, current is inversely proportional to resistance. Lower the resistence & the current will increase, if voltage is constant. This can happen only in case D.

Shankar said:   1 decade ago
Electron and hole only recombine if circuit are closed, this condition important for flow current.

Vineeta verma said:   1 decade ago
Open ckt no current flow.

Closed ckt current will be flow.

Debdip said:   1 decade ago
Open circuit = no current flow.

Closed circuit = current flow.


Post your comments here:

Your comments will be displayed after verification.