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In semiconductors, a hole is the absence of an electron in the valence band and acts as a positive charge carrier . When an electron gets excited to the conduction band, it leaves behind a hole. While both electrons and holes contribute to conduction, they move differently and do not have the same mobility . Electrons generally have higher mobility than holes due to their lower effective mass and freer movement in the conduction band.
What was the main objective of the Global Initiative on Digital Health launched by India and WHO at the G-20 summit in Gandhinagar?
PM Modi inaugurated the Integrated Terminal of Veer Savarkar International Airport, in which state/ UT?
Consider the following statements in regards to Sberbank:
1) Sberbank is a government bank of Russia to get 1st FPI category 1 license from SEBI....
In the efforts towards digital inclusivity, NIXI is set to launch the BhashaNet portal. What is the primary aim of the BhashaNet portal?
In which city of India is the under-construction Yuge Yugeen Bharat museum located, set to become the largest museum in the world?
Which institute has recently partnered with Kotak Mahindra Bank Limited (KMBL) to establish India's first fully integrated school of sustainability?
What was the theme of National Voters’ Day this year?
Which newly launched digital platform aims to empower marginalized artisans, including Scheduled Castes (SC), through e-marketing support?
Consider the following statement about PM Gati Shakti Scheme?
I. It was launched with the aim of coordinated planning and execution of infras...
