जब किसी अर्धचालक पर विद्युत क्षेत्र लगाया जाता है, तो निम्नलिखित में से कौन-सा कथन सही है?

Two statements are given below: Statement A: When the forward bias voltage across a p-n junction diode increases above a certain threshold voltage, the diode current increases significantly. Statement B: This current is called reverse saturation current. Choose the correct answer:

Which band in a solid contains electrons that are most likely to participate in electrical conduction?