JEE PHYSICS CDF TEST BY MANAJITH RAM . S .

THE BULB DOESN'T GLOW IS SAID TO BE ________.

• CIRCUIT

• CURRENT

• FUSED

IF WE CONNECT A FUSED BULB IN CIRCUITTHENTHE CIRUIT REMAINS _____

• OPEN

• CLOSE

• BOTH 1 ./ 2

• NONE

THE SWITCH ALLOWS THE FLOW OF ELECTRICTY WHEN IT IS IN_____.

• ON

• OFF

CUTS THE FLOW OF ELECTRICITY WHEN IT IS IN ________.

• ON

• OFF

WHO FOUND IN PUT A COMPASS NEAR THE ELECTRIC CABE DISCOVERED THAT ELECTRICITY CAN PROVIDES __________.

• THOMAS ALVA EDISION

• OERSTED

• BOTH 1 / 2

• INSULATORS

• MAGNETISM

SUBSTANCES WHICH ALLOW ELECTRIC CURRENT TO FLOW THROUGH THEM ARE KNOWN AS ______________________.

• INSULATORS

• BATTERY

• CONDUCTORS OF ELECTRICITY

• ALL OF THESE

EXAMPLE FOR CONDUCTORS OF ELECTRICITY ___________.

• ALL METALS

• BRINE SOLUTIONS

• WOOD

• ELECTROLYTES

• PLASTIC

SUBSTANCES WHICH DO NOT ALLOW ELECTRIC CURRENT TO FLOW THROUGH THEM ARE KNOWN AS ___________

• INSULATORS

• CONDUCTORS OF ELECTRICITY

• BOTH 1 / 2

EXAMPLE FOR INSULATORS______________

• BRINE SOLUTIONS

• WOOD

• RUBBER

• PLASTIC

• ALL METALS

WHO ULTIMATELY SUCCEEDED IN MAKING THE FIRST BULB ?

• OERSTED

• THOMAS ALVA EDISION