Physics Which results in an increase in power? Doing more work in less time. Doing more work in more time. Doing less work in less time. Doing less work in more time. Doing more work in less time. Doing more work in more time. Doing less work in less time. Doing less work in more time. ANSWER DOWNLOAD EXAMIANS APP
Physics Which Color has the Longest Wavelength? Violet Red White Yellow Violet Red White Yellow ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become 7C C 14C C/7 7C C 14C C/7 ANSWER DOWNLOAD EXAMIANS APP
Physics Gasoline is useful in cars because it has Chemical potential energy Gravitational potential energy Kinetic energy Electrical potential energy Chemical potential energy Gravitational potential energy Kinetic energy Electrical potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 5 R/4 5 R 4 R/5 R/5 5 R/4 5 R 4 R/5 R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic field lines about a current-carrying wire None of these Both of these Extend radially from the wire Circle the wire in closed loops None of these Both of these Extend radially from the wire Circle the wire in closed loops ANSWER DOWNLOAD EXAMIANS APP